Home / 124,429,245.20-186,643,867.80-98,731,120.40

Finding the Fourth Proportional to 124,429,245.20, 186,643,867.80 and 98,731,120.40

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Solution

The fourth proportional to 124,429,245.20, 186,643,867.80 and 98,731,120.40 is: 148,096,680.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,429,245.20 : 186,643,867.80 = 98,731,120.40 : x
  2. Step 2: Convert to fraction form
    124,429,245.20/186,643,867.80 = 98,731,120.40/x
  3. Step 3: Cross multiply
    124,429,245.20x = 186,643,867.80 × 98,731,120.40
  4. Step 4: Simplify right side
    124,429,245.20x = 18,427,558,183,683,484
  5. Step 5: Solve for x
    x = 18,427,558,183,683,484/124,429,245.20
  6. Step 6: Final answer
    x = 148,096,680.60

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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.