Home / 390,710,737.92-586,060,040.96-132,107,571.84

Finding the Fourth Proportional to 390,710,737.92, 586,060,040.96 and 132,107,571.84

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Solution

The fourth proportional to 390,710,737.92, 586,060,040.96 and 132,107,571.84 is: 198,159,306.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    390,710,737.92 : 586,060,040.96 = 132,107,571.84 : x
  2. Step 2: Convert to fraction form
    390,710,737.92/586,060,040.96 = 132,107,571.84/x
  3. Step 3: Cross multiply
    390,710,737.92x = 586,060,040.96 × 132,107,571.84
  4. Step 4: Simplify right side
    390,710,737.92x = 77,422,968,963,676,544
  5. Step 5: Solve for x
    x = 77,422,968,963,676,544/390,710,737.92
  6. Step 6: Final answer
    x = 198,159,306.74

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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.