Home / 157,248,082.20-235,872,123.30-143,139,307.80

Finding the Fourth Proportional to 157,248,082.20, 235,872,123.30 and 143,139,307.80

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Solution

The fourth proportional to 157,248,082.20, 235,872,123.30 and 143,139,307.80 is: 214,708,961.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,248,082.20 : 235,872,123.30 = 143,139,307.80 : x
  2. Step 2: Convert to fraction form
    157,248,082.20/235,872,123.30 = 143,139,307.80/x
  3. Step 3: Cross multiply
    157,248,082.20x = 235,872,123.30 × 143,139,307.80
  4. Step 4: Simplify right side
    157,248,082.20x = 33,762,572,458,478,256
  5. Step 5: Solve for x
    x = 33,762,572,458,478,256/157,248,082.20
  6. Step 6: Final answer
    x = 214,708,961.70

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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.