Home / 157,762,613.70-236,643,920.55-89,738,165.70

Finding the Fourth Proportional to 157,762,613.70, 236,643,920.55 and 89,738,165.70

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Solution

The fourth proportional to 157,762,613.70, 236,643,920.55 and 89,738,165.70 is: 134,607,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,762,613.70 : 236,643,920.55 = 89,738,165.70 : x
  2. Step 2: Convert to fraction form
    157,762,613.70/236,643,920.55 = 89,738,165.70/x
  3. Step 3: Cross multiply
    157,762,613.70x = 236,643,920.55 × 89,738,165.70
  4. Step 4: Simplify right side
    157,762,613.70x = 21,235,991,354,213,536
  5. Step 5: Solve for x
    x = 21,235,991,354,213,536/157,762,613.70
  6. Step 6: Final answer
    x = 134,607,248.55

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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.