Home / 66,439,014.30-99,658,521.45-30,607,206.30

Finding the Fourth Proportional to 66,439,014.30, 99,658,521.45 and 30,607,206.30

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Solution

The fourth proportional to 66,439,014.30, 99,658,521.45 and 30,607,206.30 is: 45,910,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439,014.30 : 99,658,521.45 = 30,607,206.30 : x
  2. Step 2: Convert to fraction form
    66,439,014.30/99,658,521.45 = 30,607,206.30/x
  3. Step 3: Cross multiply
    66,439,014.30x = 99,658,521.45 × 30,607,206.30
  4. Step 4: Simplify right side
    66,439,014.30x = 3,050,268,925,573,125.50
  5. Step 5: Solve for x
    x = 3,050,268,925,573,125.50/66,439,014.30
  6. Step 6: Final answer
    x = 45,910,809.45

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.