Home / 146,793,972.70-220,190,959.05-98,421,031.90

Finding the Fourth Proportional to 146,793,972.70, 220,190,959.05 and 98,421,031.90

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Solution

The fourth proportional to 146,793,972.70, 220,190,959.05 and 98,421,031.90 is: 147,631,547.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,793,972.70 : 220,190,959.05 = 98,421,031.90 : x
  2. Step 2: Convert to fraction form
    146,793,972.70/220,190,959.05 = 98,421,031.90/x
  3. Step 3: Cross multiply
    146,793,972.70x = 220,190,959.05 × 98,421,031.90
  4. Step 4: Simplify right side
    146,793,972.70x = 21,671,421,404,751,648
  5. Step 5: Solve for x
    x = 21,671,421,404,751,648/146,793,972.70
  6. Step 6: Final answer
    x = 147,631,547.85

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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.