Home / 66,493,038.15-91,791,493.29-38,610,317.25

Finding the Fourth Proportional to 66,493,038.15, 91,791,493.29 and 38,610,317.25

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Solution

The fourth proportional to 66,493,038.15, 91,791,493.29 and 38,610,317.25 is: 53,300,296.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,493,038.15 : 91,791,493.29 = 38,610,317.25 : x
  2. Step 2: Convert to fraction form
    66,493,038.15/91,791,493.29 = 38,610,317.25/x
  3. Step 3: Cross multiply
    66,493,038.15x = 91,791,493.29 × 38,610,317.25
  4. Step 4: Simplify right side
    66,493,038.15x = 3,544,098,676,778,146.50
  5. Step 5: Solve for x
    x = 3,544,098,676,778,146.50/66,493,038.15
  6. Step 6: Final answer
    x = 53,300,296.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.