Home / 90,911,685.68-136,387,678.92-26,210,441.60

Finding the Fourth Proportional to 90,911,685.68, 136,387,678.92 and 26,210,441.60

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Solution

The fourth proportional to 90,911,685.68, 136,387,678.92 and 26,210,441.60 is: 39,321,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,911,685.68 : 136,387,678.92 = 26,210,441.60 : x
  2. Step 2: Convert to fraction form
    90,911,685.68/136,387,678.92 = 26,210,441.60/x
  3. Step 3: Cross multiply
    90,911,685.68x = 136,387,678.92 × 26,210,441.60
  4. Step 4: Simplify right side
    90,911,685.68x = 3,574,781,293,292,211
  5. Step 5: Solve for x
    x = 3,574,781,293,292,211/90,911,685.68
  6. Step 6: Final answer
    x = 39,321,471.89

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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.