Home / 113,211,700.20-169,817,550.30-72,397,031.40

Finding the Fourth Proportional to 113,211,700.20, 169,817,550.30 and 72,397,031.40

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Solution

The fourth proportional to 113,211,700.20, 169,817,550.30 and 72,397,031.40 is: 108,595,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,211,700.20 : 169,817,550.30 = 72,397,031.40 : x
  2. Step 2: Convert to fraction form
    113,211,700.20/169,817,550.30 = 72,397,031.40/x
  3. Step 3: Cross multiply
    113,211,700.20x = 169,817,550.30 × 72,397,031.40
  4. Step 4: Simplify right side
    113,211,700.20x = 12,294,286,521,340,182
  5. Step 5: Solve for x
    x = 12,294,286,521,340,182/113,211,700.20
  6. Step 6: Final answer
    x = 108,595,547.10

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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.