Home / 104,976,101.10-157,464,151.65-66,680,856.30

Finding the Fourth Proportional to 104,976,101.10, 157,464,151.65 and 66,680,856.30

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Solution

The fourth proportional to 104,976,101.10, 157,464,151.65 and 66,680,856.30 is: 100,021,284.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,101.10 : 157,464,151.65 = 66,680,856.30 : x
  2. Step 2: Convert to fraction form
    104,976,101.10/157,464,151.65 = 66,680,856.30/x
  3. Step 3: Cross multiply
    104,976,101.10x = 157,464,151.65 × 66,680,856.30
  4. Step 4: Simplify right side
    104,976,101.10x = 10,499,844,468,575,058
  5. Step 5: Solve for x
    x = 10,499,844,468,575,058/104,976,101.10
  6. Step 6: Final answer
    x = 100,021,284.45

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1.5x scale

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.