Home / 90,705,388.16-136,136,697.60-47,605,041.92

Finding the Fourth Proportional to 90,705,388.16, 136,136,697.60 and 47,605,041.92

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Solution

The fourth proportional to 90,705,388.16, 136,136,697.60 and 47,605,041.92 is: 71,448,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,705,388.16 : 136,136,697.60 = 47,605,041.92 : x
  2. Step 2: Convert to fraction form
    90,705,388.16/136,136,697.60 = 47,605,041.92/x
  3. Step 3: Cross multiply
    90,705,388.16x = 136,136,697.60 × 47,605,041.92
  4. Step 4: Simplify right side
    90,705,388.16x = 6,480,793,196,098,363
  5. Step 5: Solve for x
    x = 6,480,793,196,098,363/90,705,388.16
  6. Step 6: Final answer
    x = 71,448,822.69

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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.