Home / 207,247,259.20-310,870,888.80-63,621,428.80

Finding the Fourth Proportional to 207,247,259.20, 310,870,888.80 and 63,621,428.80

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Solution

The fourth proportional to 207,247,259.20, 310,870,888.80 and 63,621,428.80 is: 95,432,143.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,247,259.20 : 310,870,888.80 = 63,621,428.80 : x
  2. Step 2: Convert to fraction form
    207,247,259.20/310,870,888.80 = 63,621,428.80/x
  3. Step 3: Cross multiply
    207,247,259.20x = 310,870,888.80 × 63,621,428.80
  4. Step 4: Simplify right side
    207,247,259.20x = 19,778,050,117,781,916
  5. Step 5: Solve for x
    x = 19,778,050,117,781,916/207,247,259.20
  6. Step 6: Final answer
    x = 95,432,143.20

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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.