Home / 66,433,872.30-99,650,808.45-55,663,334.70

Finding the Fourth Proportional to 66,433,872.30, 99,650,808.45 and 55,663,334.70

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Solution

The fourth proportional to 66,433,872.30, 99,650,808.45 and 55,663,334.70 is: 83,495,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433,872.30 : 99,650,808.45 = 55,663,334.70 : x
  2. Step 2: Convert to fraction form
    66,433,872.30/99,650,808.45 = 55,663,334.70/x
  3. Step 3: Cross multiply
    66,433,872.30x = 99,650,808.45 × 55,663,334.70
  4. Step 4: Simplify right side
    66,433,872.30x = 5,546,896,303,877,939
  5. Step 5: Solve for x
    x = 5,546,896,303,877,939/66,433,872.30
  6. Step 6: Final answer
    x = 83,495,002.05

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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.