Home / 156,541,719.42-234,803,943.18-64,402,139.61

Finding the Fourth Proportional to 156,541,719.42, 234,803,943.18 and 64,402,139.61

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Solution

The fourth proportional to 156,541,719.42, 234,803,943.18 and 64,402,139.61 is: 96,599,656.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,541,719.42 : 234,803,943.18 = 64,402,139.61 : x
  2. Step 2: Convert to fraction form
    156,541,719.42/234,803,943.18 = 64,402,139.61/x
  3. Step 3: Cross multiply
    156,541,719.42x = 234,803,943.18 × 64,402,139.61
  4. Step 4: Simplify right side
    156,541,719.42x = 15,121,876,329,656,868
  5. Step 5: Solve for x
    x = 15,121,876,329,656,868/156,541,719.42
  6. Step 6: Final answer
    x = 96,599,656.54

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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.