Home / 210,545,999.10-315,818,998.65-159,527,663.10

Finding the Fourth Proportional to 210,545,999.10, 315,818,998.65 and 159,527,663.10

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Solution

The fourth proportional to 210,545,999.10, 315,818,998.65 and 159,527,663.10 is: 239,291,494.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,545,999.10 : 315,818,998.65 = 159,527,663.10 : x
  2. Step 2: Convert to fraction form
    210,545,999.10/315,818,998.65 = 159,527,663.10/x
  3. Step 3: Cross multiply
    210,545,999.10x = 315,818,998.65 × 159,527,663.10
  4. Step 4: Simplify right side
    210,545,999.10x = 50,381,866,817,216,552
  5. Step 5: Solve for x
    x = 50,381,866,817,216,552/210,545,999.10
  6. Step 6: Final answer
    x = 239,291,494.65

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1.5x scale

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.