Home / 84,817,362.64-127,108,338.02-38,646,395.94

Finding the Fourth Proportional to 84,817,362.64, 127,108,338.02 and 38,646,395.94

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Solution

The fourth proportional to 84,817,362.64, 127,108,338.02 and 38,646,395.94 is: 57,915,962.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,817,362.64 : 127,108,338.02 = 38,646,395.94 : x
  2. Step 2: Convert to fraction form
    84,817,362.64/127,108,338.02 = 38,646,395.94/x
  3. Step 3: Cross multiply
    84,817,362.64x = 127,108,338.02 × 38,646,395.94
  4. Step 4: Simplify right side
    84,817,362.64x = 4,912,279,158,396,275
  5. Step 5: Solve for x
    x = 4,912,279,158,396,275/84,817,362.64
  6. Step 6: Final answer
    x = 57,915,962.08

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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.