Home / 210,047,711.10-315,071,566.65-108,011,039.10

Finding the Fourth Proportional to 210,047,711.10, 315,071,566.65 and 108,011,039.10

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Solution

The fourth proportional to 210,047,711.10, 315,071,566.65 and 108,011,039.10 is: 162,016,558.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,047,711.10 : 315,071,566.65 = 108,011,039.10 : x
  2. Step 2: Convert to fraction form
    210,047,711.10/315,071,566.65 = 108,011,039.10/x
  3. Step 3: Cross multiply
    210,047,711.10x = 315,071,566.65 × 108,011,039.10
  4. Step 4: Simplify right side
    210,047,711.10x = 34,031,207,304,731,400
  5. Step 5: Solve for x
    x = 34,031,207,304,731,400/210,047,711.10
  6. Step 6: Final answer
    x = 162,016,558.65

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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.