Home / 52,118,875.35-78,178,866.57-15,727,585.77

Finding the Fourth Proportional to 52,118,875.35, 78,178,866.57 and 15,727,585.77

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Solution

The fourth proportional to 52,118,875.35, 78,178,866.57 and 15,727,585.77 is: 23,591,545.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,118,875.35 : 78,178,866.57 = 15,727,585.77 : x
  2. Step 2: Convert to fraction form
    52,118,875.35/78,178,866.57 = 15,727,585.77/x
  3. Step 3: Cross multiply
    52,118,875.35x = 78,178,866.57 × 15,727,585.77
  4. Step 4: Simplify right side
    52,118,875.35x = 1,229,564,829,381,060.50
  5. Step 5: Solve for x
    x = 1,229,564,829,381,060.50/52,118,875.35
  6. Step 6: Final answer
    x = 23,591,545.69

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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.