Home / 143,527,736.80-215,144,638.80-70,632,402.40

Finding the Fourth Proportional to 143,527,736.80, 215,144,638.80 and 70,632,402.40

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Solution

The fourth proportional to 143,527,736.80, 215,144,638.80 and 70,632,402.40 is: 105,876,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,527,736.80 : 215,144,638.80 = 70,632,402.40 : x
  2. Step 2: Convert to fraction form
    143,527,736.80/215,144,638.80 = 70,632,402.40/x
  3. Step 3: Cross multiply
    143,527,736.80x = 215,144,638.80 × 70,632,402.40
  4. Step 4: Simplify right side
    143,527,736.80x = 15,196,182,701,924,256
  5. Step 5: Solve for x
    x = 15,196,182,701,924,256/143,527,736.80
  6. Step 6: Final answer
    x = 105,876,278.97

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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.