Home / 87,281,487-130,922,886.83-38,746,292.67

Finding the Fourth Proportional to 87,281,487, 130,922,886.83 and 38,746,292.67

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Solution

The fourth proportional to 87,281,487, 130,922,886.83 and 38,746,292.67 is: 58,119,730.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,281,487 : 130,922,886.83 = 38,746,292.67 : x
  2. Step 2: Convert to fraction form
    87,281,487/130,922,886.83 = 38,746,292.67/x
  3. Step 3: Cross multiply
    87,281,487x = 130,922,886.83 × 38,746,292.67
  4. Step 4: Simplify right side
    87,281,487x = 5,072,776,490,122,737
  5. Step 5: Solve for x
    x = 5,072,776,490,122,737/87,281,487
  6. Step 6: Final answer
    x = 58,119,730.36

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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.