Home / 143,896,805.10-215,845,207.65-97,980,302.70

Finding the Fourth Proportional to 143,896,805.10, 215,845,207.65 and 97,980,302.70

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Solution

The fourth proportional to 143,896,805.10, 215,845,207.65 and 97,980,302.70 is: 146,970,454.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,896,805.10 : 215,845,207.65 = 97,980,302.70 : x
  2. Step 2: Convert to fraction form
    143,896,805.10/215,845,207.65 = 97,980,302.70/x
  3. Step 3: Cross multiply
    143,896,805.10x = 215,845,207.65 × 97,980,302.70
  4. Step 4: Simplify right side
    143,896,805.10x = 21,148,578,781,891,356
  5. Step 5: Solve for x
    x = 21,148,578,781,891,356/143,896,805.10
  6. Step 6: Final answer
    x = 146,970,454.05

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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.