Home / 85,802,565.78-118,445,710.05-51,006,520.98

Finding the Fourth Proportional to 85,802,565.78, 118,445,710.05 and 51,006,520.98

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Solution

The fourth proportional to 85,802,565.78, 118,445,710.05 and 51,006,520.98 is: 70,411,689.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,802,565.78 : 118,445,710.05 = 51,006,520.98 : x
  2. Step 2: Convert to fraction form
    85,802,565.78/118,445,710.05 = 51,006,520.98/x
  3. Step 3: Cross multiply
    85,802,565.78x = 118,445,710.05 × 51,006,520.98
  4. Step 4: Simplify right side
    85,802,565.78x = 6,041,503,594,656,321
  5. Step 5: Solve for x
    x = 6,041,503,594,656,321/85,802,565.78
  6. Step 6: Final answer
    x = 70,411,689.20

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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.