Home / 42,706,279.80-64,059,419.70-26,581,966.20

Finding the Fourth Proportional to 42,706,279.80, 64,059,419.70 and 26,581,966.20

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Solution

The fourth proportional to 42,706,279.80, 64,059,419.70 and 26,581,966.20 is: 39,872,949.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,706,279.80 : 64,059,419.70 = 26,581,966.20 : x
  2. Step 2: Convert to fraction form
    42,706,279.80/64,059,419.70 = 26,581,966.20/x
  3. Step 3: Cross multiply
    42,706,279.80x = 64,059,419.70 × 26,581,966.20
  4. Step 4: Simplify right side
    42,706,279.80x = 1,702,825,329,257,014.25
  5. Step 5: Solve for x
    x = 1,702,825,329,257,014.25/42,706,279.80
  6. Step 6: Final answer
    x = 39,872,949.30

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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.