Home / 104,976,101.80-157,464,152.70-66,806,828.20

Finding the Fourth Proportional to 104,976,101.80, 157,464,152.70 and 66,806,828.20

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Solution

The fourth proportional to 104,976,101.80, 157,464,152.70 and 66,806,828.20 is: 100,210,242.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,101.80 : 157,464,152.70 = 66,806,828.20 : x
  2. Step 2: Convert to fraction form
    104,976,101.80/157,464,152.70 = 66,806,828.20/x
  3. Step 3: Cross multiply
    104,976,101.80x = 157,464,152.70 × 66,806,828.20
  4. Step 4: Simplify right side
    104,976,101.80x = 10,519,680,597,087,466
  5. Step 5: Solve for x
    x = 10,519,680,597,087,466/104,976,101.80
  6. Step 6: Final answer
    x = 100,210,242.30

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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.