Home / 142,877,608.20-197,255,623.68-89,999,643.96

Finding the Fourth Proportional to 142,877,608.20, 197,255,623.68 and 89,999,643.96

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Solution

The fourth proportional to 142,877,608.20, 197,255,623.68 and 89,999,643.96 is: 124,252,751.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,877,608.20 : 197,255,623.68 = 89,999,643.96 : x
  2. Step 2: Convert to fraction form
    142,877,608.20/197,255,623.68 = 89,999,643.96/x
  3. Step 3: Cross multiply
    142,877,608.20x = 197,255,623.68 × 89,999,643.96
  4. Step 4: Simplify right side
    142,877,608.20x = 17,752,935,900,307,744
  5. Step 5: Solve for x
    x = 17,752,935,900,307,744/142,877,608.20
  6. Step 6: Final answer
    x = 124,252,751.18

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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.