Home / 77,237,392.16-106,587,671.04-42,432,337.28

Finding the Fourth Proportional to 77,237,392.16, 106,587,671.04 and 42,432,337.28

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Solution

The fourth proportional to 77,237,392.16, 106,587,671.04 and 42,432,337.28 is: 58,556,663.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,237,392.16 : 106,587,671.04 = 42,432,337.28 : x
  2. Step 2: Convert to fraction form
    77,237,392.16/106,587,671.04 = 42,432,337.28/x
  3. Step 3: Cross multiply
    77,237,392.16x = 106,587,671.04 × 42,432,337.28
  4. Step 4: Simplify right side
    77,237,392.16x = 4,522,764,007,458,969
  5. Step 5: Solve for x
    x = 4,522,764,007,458,969/77,237,392.16
  6. Step 6: Final answer
    x = 58,556,663.83

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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.