Home / 124,427,863.20-186,641,794.80-98,729,738.40

Finding the Fourth Proportional to 124,427,863.20, 186,641,794.80 and 98,729,738.40

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Solution

The fourth proportional to 124,427,863.20, 186,641,794.80 and 98,729,738.40 is: 148,094,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,427,863.20 : 186,641,794.80 = 98,729,738.40 : x
  2. Step 2: Convert to fraction form
    124,427,863.20/186,641,794.80 = 98,729,738.40/x
  3. Step 3: Cross multiply
    124,427,863.20x = 186,641,794.80 × 98,729,738.40
  4. Step 4: Simplify right side
    124,427,863.20x = 18,427,095,575,110,484
  5. Step 5: Solve for x
    x = 18,427,095,575,110,484/124,427,863.20
  6. Step 6: Final answer
    x = 148,094,607.60

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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.