Home / 92,000,118.80-138,000,178.20-53,258,069.90

Finding the Fourth Proportional to 92,000,118.80, 138,000,178.20 and 53,258,069.90

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Solution

The fourth proportional to 92,000,118.80, 138,000,178.20 and 53,258,069.90 is: 79,887,104.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,000,118.80 : 138,000,178.20 = 53,258,069.90 : x
  2. Step 2: Convert to fraction form
    92,000,118.80/138,000,178.20 = 53,258,069.90/x
  3. Step 3: Cross multiply
    92,000,118.80x = 138,000,178.20 × 53,258,069.90
  4. Step 4: Simplify right side
    92,000,118.80x = 7,349,623,136,788,055
  5. Step 5: Solve for x
    x = 7,349,623,136,788,055/92,000,118.80
  6. Step 6: Final answer
    x = 79,887,104.85

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1.5x scale

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.