Home / 101,572,969.23-140,182,663.68-60,319,861.61

Finding the Fourth Proportional to 101,572,969.23, 140,182,663.68 and 60,319,861.61

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Solution

The fourth proportional to 101,572,969.23, 140,182,663.68 and 60,319,861.61 is: 83,248,515.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,572,969.23 : 140,182,663.68 = 60,319,861.61 : x
  2. Step 2: Convert to fraction form
    101,572,969.23/140,182,663.68 = 60,319,861.61/x
  3. Step 3: Cross multiply
    101,572,969.23x = 140,182,663.68 × 60,319,861.61
  4. Step 4: Simplify right side
    101,572,969.23x = 8,455,798,872,597,860
  5. Step 5: Solve for x
    x = 8,455,798,872,597,860/101,572,969.23
  6. Step 6: Final answer
    x = 83,248,515.20

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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.