Home / 65,934,798.96-91,010,397.66-42,413,336.20

Finding the Fourth Proportional to 65,934,798.96, 91,010,397.66 and 42,413,336.20

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Solution

The fourth proportional to 65,934,798.96, 91,010,397.66 and 42,413,336.20 is: 58,543,510.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,934,798.96 : 91,010,397.66 = 42,413,336.20 : x
  2. Step 2: Convert to fraction form
    65,934,798.96/91,010,397.66 = 42,413,336.20/x
  3. Step 3: Cross multiply
    65,934,798.96x = 91,010,397.66 × 42,413,336.20
  4. Step 4: Simplify right side
    65,934,798.96x = 3,860,054,593,795,927
  5. Step 5: Solve for x
    x = 3,860,054,593,795,927/65,934,798.96
  6. Step 6: Final answer
    x = 58,543,510.48

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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.