Home / 125,817,172.86-188,736,657.84-38,398,356.93

Finding the Fourth Proportional to 125,817,172.86, 188,736,657.84 and 38,398,356.93

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Solution

The fourth proportional to 125,817,172.86, 188,736,657.84 and 38,398,356.93 is: 57,600,861.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,817,172.86 : 188,736,657.84 = 38,398,356.93 : x
  2. Step 2: Convert to fraction form
    125,817,172.86/188,736,657.84 = 38,398,356.93/x
  3. Step 3: Cross multiply
    125,817,172.86x = 188,736,657.84 × 38,398,356.93
  4. Step 4: Simplify right side
    125,817,172.86x = 7,247,177,553,515,603
  5. Step 5: Solve for x
    x = 7,247,177,553,515,603/125,817,172.86
  6. Step 6: Final answer
    x = 57,600,861.54

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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.