Home / 402,178,401.10-603,566,200.05-160,015,098.70

Finding the Fourth Proportional to 402,178,401.10, 603,566,200.05 and 160,015,098.70

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Solution

The fourth proportional to 402,178,401.10, 603,566,200.05 and 160,015,098.70 is: 240,141,451.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,178,401.10 : 603,566,200.05 = 160,015,098.70 : x
  2. Step 2: Convert to fraction form
    402,178,401.10/603,566,200.05 = 160,015,098.70/x
  3. Step 3: Cross multiply
    402,178,401.10x = 603,566,200.05 × 160,015,098.70
  4. Step 4: Simplify right side
    402,178,401.10x = 96,579,705,072,984,688
  5. Step 5: Solve for x
    x = 96,579,705,072,984,688/402,178,401.10
  6. Step 6: Final answer
    x = 240,141,451.68

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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.