Home / 72,593,368-100,177,580.98-39,553,890.61

Finding the Fourth Proportional to 72,593,368, 100,177,580.98 and 39,553,890.61

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Solution

The fourth proportional to 72,593,368, 100,177,580.98 and 39,553,890.61 is: 54,583,678.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,593,368 : 100,177,580.98 = 39,553,890.61 : x
  2. Step 2: Convert to fraction form
    72,593,368/100,177,580.98 = 39,553,890.61/x
  3. Step 3: Cross multiply
    72,593,368x = 100,177,580.98 × 39,553,890.61
  4. Step 4: Simplify right side
    72,593,368x = 3,962,413,079,657,336.50
  5. Step 5: Solve for x
    x = 3,962,413,079,657,336.50/72,593,368
  6. Step 6: Final answer
    x = 54,583,678.77

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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.