Home / 143,755,621.57-215,547,122.38-65,935,042.89

Finding the Fourth Proportional to 143,755,621.57, 215,547,122.38 and 65,935,042.89

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Solution

The fourth proportional to 143,755,621.57, 215,547,122.38 and 65,935,042.89 is: 98,862,977.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,755,621.57 : 215,547,122.38 = 65,935,042.89 : x
  2. Step 2: Convert to fraction form
    143,755,621.57/215,547,122.38 = 65,935,042.89/x
  3. Step 3: Cross multiply
    143,755,621.57x = 215,547,122.38 × 65,935,042.89
  4. Step 4: Simplify right side
    143,755,621.57x = 14,212,108,758,941,378
  5. Step 5: Solve for x
    x = 14,212,108,758,941,378/143,755,621.57
  6. Step 6: Final answer
    x = 98,862,977.35

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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.