Home / 262,108,925.10-393,415,330.05-132,862,473.90

Finding the Fourth Proportional to 262,108,925.10, 393,415,330.05 and 132,862,473.90

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Solution

The fourth proportional to 262,108,925.10, 393,415,330.05 and 132,862,473.90 is: 199,421,419.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,108,925.10 : 393,415,330.05 = 132,862,473.90 : x
  2. Step 2: Convert to fraction form
    262,108,925.10/393,415,330.05 = 132,862,473.90/x
  3. Step 3: Cross multiply
    262,108,925.10x = 393,415,330.05 × 132,862,473.90
  4. Step 4: Simplify right side
    262,108,925.10x = 52,270,134,020,628,016
  5. Step 5: Solve for x
    x = 52,270,134,020,628,016/262,108,925.10
  6. Step 6: Final answer
    x = 199,421,419.93

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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.