Home / 88,678,155.45-122,433,437.16-79,369,605.48

Finding the Fourth Proportional to 88,678,155.45, 122,433,437.16 and 79,369,605.48

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Solution

The fourth proportional to 88,678,155.45, 122,433,437.16 and 79,369,605.48 is: 109,581,593.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,678,155.45 : 122,433,437.16 = 79,369,605.48 : x
  2. Step 2: Convert to fraction form
    88,678,155.45/122,433,437.16 = 79,369,605.48/x
  3. Step 3: Cross multiply
    88,678,155.45x = 122,433,437.16 × 79,369,605.48
  4. Step 4: Simplify right side
    88,678,155.45x = 9,717,493,604,949,572
  5. Step 5: Solve for x
    x = 9,717,493,604,949,572/88,678,155.45
  6. Step 6: Final answer
    x = 109,581,593.75

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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.