Home / 143,755,616.69-215,547,115.08-65,935,038

Finding the Fourth Proportional to 143,755,616.69, 215,547,115.08 and 65,935,038

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Solution

The fourth proportional to 143,755,616.69, 215,547,115.08 and 65,935,038 is: 98,862,970.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,755,616.69 : 215,547,115.08 = 65,935,038 : x
  2. Step 2: Convert to fraction form
    143,755,616.69/215,547,115.08 = 65,935,038/x
  3. Step 3: Cross multiply
    143,755,616.69x = 215,547,115.08 × 65,935,038
  4. Step 4: Simplify right side
    143,755,616.69x = 14,212,107,223,590,174
  5. Step 5: Solve for x
    x = 14,212,107,223,590,174/143,755,616.69
  6. Step 6: Final answer
    x = 98,862,970.02

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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.