Home / 66,429,010.20-99,643,515.30-55,847,429.40

Finding the Fourth Proportional to 66,429,010.20, 99,643,515.30 and 55,847,429.40

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Solution

The fourth proportional to 66,429,010.20, 99,643,515.30 and 55,847,429.40 is: 83,771,144.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,429,010.20 : 99,643,515.30 = 55,847,429.40 : x
  2. Step 2: Convert to fraction form
    66,429,010.20/99,643,515.30 = 55,847,429.40/x
  3. Step 3: Cross multiply
    66,429,010.20x = 99,643,515.30 × 55,847,429.40
  4. Step 4: Simplify right side
    66,429,010.20x = 5,564,834,185,884,570
  5. Step 5: Solve for x
    x = 5,564,834,185,884,570/66,429,010.20
  6. Step 6: Final answer
    x = 83,771,144.10

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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.