Home / 161,844,007.10-242,766,010.65-147,105,376.70

Finding the Fourth Proportional to 161,844,007.10, 242,766,010.65 and 147,105,376.70

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Solution

The fourth proportional to 161,844,007.10, 242,766,010.65 and 147,105,376.70 is: 220,658,065.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,844,007.10 : 242,766,010.65 = 147,105,376.70 : x
  2. Step 2: Convert to fraction form
    161,844,007.10/242,766,010.65 = 147,105,376.70/x
  3. Step 3: Cross multiply
    161,844,007.10x = 242,766,010.65 × 147,105,376.70
  4. Step 4: Simplify right side
    161,844,007.10x = 35,712,185,446,624,460
  5. Step 5: Solve for x
    x = 35,712,185,446,624,460/161,844,007.10
  6. Step 6: Final answer
    x = 220,658,065.05

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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.