Home / 51,009,753.80-76,402,476.10-42,155,685.82

Finding the Fourth Proportional to 51,009,753.80, 76,402,476.10 and 42,155,685.82

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Solution

The fourth proportional to 51,009,753.80, 76,402,476.10 and 42,155,685.82 is: 63,140,841.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,009,753.80 : 76,402,476.10 = 42,155,685.82 : x
  2. Step 2: Convert to fraction form
    51,009,753.80/76,402,476.10 = 42,155,685.82/x
  3. Step 3: Cross multiply
    51,009,753.80x = 76,402,476.10 × 42,155,685.82
  4. Step 4: Simplify right side
    51,009,753.80x = 3,220,798,777,822,848.50
  5. Step 5: Solve for x
    x = 3,220,798,777,822,848.50/51,009,753.80
  6. Step 6: Final answer
    x = 63,140,841.47

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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.