Home / 89,886,987.38-124,008,747.05-52,203,736.26

Finding the Fourth Proportional to 89,886,987.38, 124,008,747.05 and 52,203,736.26

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Solution

The fourth proportional to 89,886,987.38, 124,008,747.05 and 52,203,736.26 is: 72,020,657.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,886,987.38 : 124,008,747.05 = 52,203,736.26 : x
  2. Step 2: Convert to fraction form
    89,886,987.38/124,008,747.05 = 52,203,736.26/x
  3. Step 3: Cross multiply
    89,886,987.38x = 124,008,747.05 × 52,203,736.26
  4. Step 4: Simplify right side
    89,886,987.38x = 6,473,719,924,931,253
  5. Step 5: Solve for x
    x = 6,473,719,924,931,253/89,886,987.38
  6. Step 6: Final answer
    x = 72,020,657.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.