Home / 79,726,475.40-119,589,713.10-19,142,201.40

Finding the Fourth Proportional to 79,726,475.40, 119,589,713.10 and 19,142,201.40

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Solution

The fourth proportional to 79,726,475.40, 119,589,713.10 and 19,142,201.40 is: 28,713,302.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,726,475.40 : 119,589,713.10 = 19,142,201.40 : x
  2. Step 2: Convert to fraction form
    79,726,475.40/119,589,713.10 = 19,142,201.40/x
  3. Step 3: Cross multiply
    79,726,475.40x = 119,589,713.10 × 19,142,201.40
  4. Step 4: Simplify right side
    79,726,475.40x = 2,289,210,373,528,418
  5. Step 5: Solve for x
    x = 2,289,210,373,528,418/79,726,475.40
  6. Step 6: Final answer
    x = 28,713,302.10

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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.