Home / 124,734,061.70-186,817,657.35-78,817,559.30

Finding the Fourth Proportional to 124,734,061.70, 186,817,657.35 and 78,817,559.30

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Solution

The fourth proportional to 124,734,061.70, 186,817,657.35 and 78,817,559.30 is: 118,047,240.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,734,061.70 : 186,817,657.35 = 78,817,559.30 : x
  2. Step 2: Convert to fraction form
    124,734,061.70/186,817,657.35 = 78,817,559.30/x
  3. Step 3: Cross multiply
    124,734,061.70x = 186,817,657.35 × 78,817,559.30
  4. Step 4: Simplify right side
    124,734,061.70x = 14,724,511,786,470,704
  5. Step 5: Solve for x
    x = 14,724,511,786,470,704/124,734,061.70
  6. Step 6: Final answer
    x = 118,047,240.55

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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.