Home / 122,472,437.40-183,708,656.10-61,250,434.20

Finding the Fourth Proportional to 122,472,437.40, 183,708,656.10 and 61,250,434.20

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Solution

The fourth proportional to 122,472,437.40, 183,708,656.10 and 61,250,434.20 is: 91,875,651.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,472,437.40 : 183,708,656.10 = 61,250,434.20 : x
  2. Step 2: Convert to fraction form
    122,472,437.40/183,708,656.10 = 61,250,434.20/x
  3. Step 3: Cross multiply
    122,472,437.40x = 183,708,656.10 × 61,250,434.20
  4. Step 4: Simplify right side
    122,472,437.40x = 11,252,234,952,423,478
  5. Step 5: Solve for x
    x = 11,252,234,952,423,478/122,472,437.40
  6. Step 6: Final answer
    x = 91,875,651.30

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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.