Home / 66,406,119.60-99,609,179.40-48,124,549.20

Finding the Fourth Proportional to 66,406,119.60, 99,609,179.40 and 48,124,549.20

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Solution

The fourth proportional to 66,406,119.60, 99,609,179.40 and 48,124,549.20 is: 72,186,823.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,406,119.60 : 99,609,179.40 = 48,124,549.20 : x
  2. Step 2: Convert to fraction form
    66,406,119.60/99,609,179.40 = 48,124,549.20/x
  3. Step 3: Cross multiply
    66,406,119.60x = 99,609,179.40 × 48,124,549.20
  4. Step 4: Simplify right side
    66,406,119.60x = 4,793,646,854,806,927
  5. Step 5: Solve for x
    x = 4,793,646,854,806,927/66,406,119.60
  6. Step 6: Final answer
    x = 72,186,823.80

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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.