Home / 156,635,130.20-216,143,825.48-90,559,886.66

Finding the Fourth Proportional to 156,635,130.20, 216,143,825.48 and 90,559,886.66

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Solution

The fourth proportional to 156,635,130.20, 216,143,825.48 and 90,559,886.66 is: 124,965,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,635,130.20 : 216,143,825.48 = 90,559,886.66 : x
  2. Step 2: Convert to fraction form
    156,635,130.20/216,143,825.48 = 90,559,886.66/x
  3. Step 3: Cross multiply
    156,635,130.20x = 216,143,825.48 × 90,559,886.66
  4. Step 4: Simplify right side
    156,635,130.20x = 19,573,960,337,727,620
  5. Step 5: Solve for x
    x = 19,573,960,337,727,620/156,635,130.20
  6. Step 6: Final answer
    x = 124,965,327.46

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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.