Home / 124,020,457.64-185,905,630.92-77,995,219.52

Finding the Fourth Proportional to 124,020,457.64, 185,905,630.92 and 77,995,219.52

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Solution

The fourth proportional to 124,020,457.64, 185,905,630.92 and 77,995,219.52 is: 116,914,183.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,020,457.64 : 185,905,630.92 = 77,995,219.52 : x
  2. Step 2: Convert to fraction form
    124,020,457.64/185,905,630.92 = 77,995,219.52/x
  3. Step 3: Cross multiply
    124,020,457.64x = 185,905,630.92 × 77,995,219.52
  4. Step 4: Simplify right side
    124,020,457.64x = 14,499,750,493,609,498
  5. Step 5: Solve for x
    x = 14,499,750,493,609,498/124,020,457.64
  6. Step 6: Final answer
    x = 116,914,183.11

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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.