Home / 159,426,138.40-239,139,207.60-101,983,271.20

Finding the Fourth Proportional to 159,426,138.40, 239,139,207.60 and 101,983,271.20

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Solution

The fourth proportional to 159,426,138.40, 239,139,207.60 and 101,983,271.20 is: 152,974,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,426,138.40 : 239,139,207.60 = 101,983,271.20 : x
  2. Step 2: Convert to fraction form
    159,426,138.40/239,139,207.60 = 101,983,271.20/x
  3. Step 3: Cross multiply
    159,426,138.40x = 239,139,207.60 × 101,983,271.20
  4. Step 4: Simplify right side
    159,426,138.40x = 24,388,198,663,223,900
  5. Step 5: Solve for x
    x = 24,388,198,663,223,900/159,426,138.40
  6. Step 6: Final answer
    x = 152,974,906.80

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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.