Home / 198,775,882.72-298,196,148.86-58,730,550.40

Finding the Fourth Proportional to 198,775,882.72, 298,196,148.86 and 58,730,550.40

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Solution

The fourth proportional to 198,775,882.72, 298,196,148.86 and 58,730,550.40 is: 88,105,376.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,775,882.72 : 298,196,148.86 = 58,730,550.40 : x
  2. Step 2: Convert to fraction form
    198,775,882.72/298,196,148.86 = 58,730,550.40/x
  3. Step 3: Cross multiply
    198,775,882.72x = 298,196,148.86 × 58,730,550.40
  4. Step 4: Simplify right side
    198,775,882.72x = 17,513,223,949,708,132
  5. Step 5: Solve for x
    x = 17,513,223,949,708,132/198,775,882.72
  6. Step 6: Final answer
    x = 88,105,376.32

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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.