Home / 124,812,009.40-187,218,014.10-56,787,561.40

Finding the Fourth Proportional to 124,812,009.40, 187,218,014.10 and 56,787,561.40

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Solution

The fourth proportional to 124,812,009.40, 187,218,014.10 and 56,787,561.40 is: 85,181,342.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,812,009.40 : 187,218,014.10 = 56,787,561.40 : x
  2. Step 2: Convert to fraction form
    124,812,009.40/187,218,014.10 = 56,787,561.40/x
  3. Step 3: Cross multiply
    124,812,009.40x = 187,218,014.10 × 56,787,561.40
  4. Step 4: Simplify right side
    124,812,009.40x = 10,631,654,470,889,816
  5. Step 5: Solve for x
    x = 10,631,654,470,889,816/124,812,009.40
  6. Step 6: Final answer
    x = 85,181,342.10

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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.