Home / 103,678,829.95-155,517,180.39-59,931,752.42

Finding the Fourth Proportional to 103,678,829.95, 155,517,180.39 and 59,931,752.42

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Solution

The fourth proportional to 103,678,829.95, 155,517,180.39 and 59,931,752.42 is: 89,897,013.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,829.95 : 155,517,180.39 = 59,931,752.42 : x
  2. Step 2: Convert to fraction form
    103,678,829.95/155,517,180.39 = 59,931,752.42/x
  3. Step 3: Cross multiply
    103,678,829.95x = 155,517,180.39 × 59,931,752.42
  4. Step 4: Simplify right side
    103,678,829.95x = 9,320,417,152,189,958
  5. Step 5: Solve for x
    x = 9,320,417,152,189,958/103,678,829.95
  6. Step 6: Final answer
    x = 89,897,013.27

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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.