Home / 109,255,115.56-163,861,412.91-31,526,554.90

Finding the Fourth Proportional to 109,255,115.56, 163,861,412.91 and 31,526,554.90

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Solution

The fourth proportional to 109,255,115.56, 163,861,412.91 and 31,526,554.90 is: 47,283,697.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,255,115.56 : 163,861,412.91 = 31,526,554.90 : x
  2. Step 2: Convert to fraction form
    109,255,115.56/163,861,412.91 = 31,526,554.90/x
  3. Step 3: Cross multiply
    109,255,115.56x = 163,861,412.91 × 31,526,554.90
  4. Step 4: Simplify right side
    109,255,115.56x = 5,165,985,830,098,683
  5. Step 5: Solve for x
    x = 5,165,985,830,098,683/109,255,115.56
  6. Step 6: Final answer
    x = 47,283,697.46

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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.