Home / 124,225,723.40-186,506,546.70-78,876,091.40

Finding the Fourth Proportional to 124,225,723.40, 186,506,546.70 and 78,876,091.40

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Solution

The fourth proportional to 124,225,723.40, 186,506,546.70 and 78,876,091.40 is: 118,420,782.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,225,723.40 : 186,506,546.70 = 78,876,091.40 : x
  2. Step 2: Convert to fraction form
    124,225,723.40/186,506,546.70 = 78,876,091.40/x
  3. Step 3: Cross multiply
    124,225,723.40x = 186,506,546.70 × 78,876,091.40
  4. Step 4: Simplify right side
    124,225,723.40x = 14,710,907,424,207,568
  5. Step 5: Solve for x
    x = 14,710,907,424,207,568/124,225,723.40
  6. Step 6: Final answer
    x = 118,420,782.92

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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.