Home / 112,134,752.26-154,745,988.96-61,899,001.40

Finding the Fourth Proportional to 112,134,752.26, 154,745,988.96 and 61,899,001.40

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Solution

The fourth proportional to 112,134,752.26, 154,745,988.96 and 61,899,001.40 is: 85,420,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,134,752.26 : 154,745,988.96 = 61,899,001.40 : x
  2. Step 2: Convert to fraction form
    112,134,752.26/154,745,988.96 = 61,899,001.40/x
  3. Step 3: Cross multiply
    112,134,752.26x = 154,745,988.96 × 61,899,001.40
  4. Step 4: Simplify right side
    112,134,752.26x = 9,578,622,187,279,424
  5. Step 5: Solve for x
    x = 9,578,622,187,279,424/112,134,752.26
  6. Step 6: Final answer
    x = 85,420,638.96

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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.