Home / 66,887,719.32-100,307,521.86-23,156,603.40

Finding the Fourth Proportional to 66,887,719.32, 100,307,521.86 and 23,156,603.40

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Solution

The fourth proportional to 66,887,719.32, 100,307,521.86 and 23,156,603.40 is: 34,726,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,887,719.32 : 100,307,521.86 = 23,156,603.40 : x
  2. Step 2: Convert to fraction form
    66,887,719.32/100,307,521.86 = 23,156,603.40/x
  3. Step 3: Cross multiply
    66,887,719.32x = 100,307,521.86 × 23,156,603.40
  4. Step 4: Simplify right side
    66,887,719.32x = 2,322,781,501,748,850
  5. Step 5: Solve for x
    x = 2,322,781,501,748,850/66,887,719.32
  6. Step 6: Final answer
    x = 34,726,576.50

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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.