Home / 127,560,698.60-191,341,047.90-89,340,103.40

Finding the Fourth Proportional to 127,560,698.60, 191,341,047.90 and 89,340,103.40

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Solution

The fourth proportional to 127,560,698.60, 191,341,047.90 and 89,340,103.40 is: 134,010,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,560,698.60 : 191,341,047.90 = 89,340,103.40 : x
  2. Step 2: Convert to fraction form
    127,560,698.60/191,341,047.90 = 89,340,103.40/x
  3. Step 3: Cross multiply
    127,560,698.60x = 191,341,047.90 × 89,340,103.40
  4. Step 4: Simplify right side
    127,560,698.60x = 17,094,429,004,050,354
  5. Step 5: Solve for x
    x = 17,094,429,004,050,354/127,560,698.60
  6. Step 6: Final answer
    x = 134,010,155.10

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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.