Home / 101,725,857.32-140,377,411.68-57,675,820.10

Finding the Fourth Proportional to 101,725,857.32, 140,377,411.68 and 57,675,820.10

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Solution

The fourth proportional to 101,725,857.32, 140,377,411.68 and 57,675,820.10 is: 79,590,209.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,725,857.32 : 140,377,411.68 = 57,675,820.10 : x
  2. Step 2: Convert to fraction form
    101,725,857.32/140,377,411.68 = 57,675,820.10/x
  3. Step 3: Cross multiply
    101,725,857.32x = 140,377,411.68 × 57,675,820.10
  4. Step 4: Simplify right side
    101,725,857.32x = 8,096,382,342,159,319
  5. Step 5: Solve for x
    x = 8,096,382,342,159,319/101,725,857.32
  6. Step 6: Final answer
    x = 79,590,209.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.