Home / 83,314,130.32-124,979,409.06-28,719,528.46

Finding the Fourth Proportional to 83,314,130.32, 124,979,409.06 and 28,719,528.46

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Solution

The fourth proportional to 83,314,130.32, 124,979,409.06 and 28,719,528.46 is: 43,082,124.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,314,130.32 : 124,979,409.06 = 28,719,528.46 : x
  2. Step 2: Convert to fraction form
    83,314,130.32/124,979,409.06 = 28,719,528.46/x
  3. Step 3: Cross multiply
    83,314,130.32x = 124,979,409.06 × 28,719,528.46
  4. Step 4: Simplify right side
    83,314,130.32x = 3,589,349,695,412,652
  5. Step 5: Solve for x
    x = 3,589,349,695,412,652/83,314,130.32
  6. Step 6: Final answer
    x = 43,082,124.02

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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.