Home / 101,680,913.54-138,442,445.50-101,358,063.13

Finding the Fourth Proportional to 101,680,913.54, 138,442,445.50 and 101,358,063.13

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Solution

The fourth proportional to 101,680,913.54, 138,442,445.50 and 101,358,063.13 is: 138,002,872.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,680,913.54 : 138,442,445.50 = 101,358,063.13 : x
  2. Step 2: Convert to fraction form
    101,680,913.54/138,442,445.50 = 101,358,063.13/x
  3. Step 3: Cross multiply
    101,680,913.54x = 138,442,445.50 × 101,358,063.13
  4. Step 4: Simplify right side
    101,680,913.54x = 14,032,258,130,860,584
  5. Step 5: Solve for x
    x = 14,032,258,130,860,584/101,680,913.54
  6. Step 6: Final answer
    x = 138,002,872.34

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.