Home / 109,791,155.77-151,502,145.35-62,738,891.92

Finding the Fourth Proportional to 109,791,155.77, 151,502,145.35 and 62,738,891.92

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Solution

The fourth proportional to 109,791,155.77, 151,502,145.35 and 62,738,891.92 is: 86,574,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,791,155.77 : 151,502,145.35 = 62,738,891.92 : x
  2. Step 2: Convert to fraction form
    109,791,155.77/151,502,145.35 = 62,738,891.92/x
  3. Step 3: Cross multiply
    109,791,155.77x = 151,502,145.35 × 62,738,891.92
  4. Step 4: Simplify right side
    109,791,155.77x = 9,505,076,722,918,628
  5. Step 5: Solve for x
    x = 9,505,076,722,918,628/109,791,155.77
  6. Step 6: Final answer
    x = 86,574,156.69

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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.