Home / 83,209,621.40-124,764,665.70-42,898,837.40

Finding the Fourth Proportional to 83,209,621.40, 124,764,665.70 and 42,898,837.40

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Solution

The fourth proportional to 83,209,621.40, 124,764,665.70 and 42,898,837.40 is: 64,322,598.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209,621.40 : 124,764,665.70 = 42,898,837.40 : x
  2. Step 2: Convert to fraction form
    83,209,621.40/124,764,665.70 = 42,898,837.40/x
  3. Step 3: Cross multiply
    83,209,621.40x = 124,764,665.70 × 42,898,837.40
  4. Step 4: Simplify right side
    83,209,621.40x = 5,352,259,107,129,657
  5. Step 5: Solve for x
    x = 5,352,259,107,129,657/83,209,621.40
  6. Step 6: Final answer
    x = 64,322,598.96

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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.