Home / 146,893,648.40-220,340,472.60-66,272,080.40

Finding the Fourth Proportional to 146,893,648.40, 220,340,472.60 and 66,272,080.40

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Solution

The fourth proportional to 146,893,648.40, 220,340,472.60 and 66,272,080.40 is: 99,408,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,893,648.40 : 220,340,472.60 = 66,272,080.40 : x
  2. Step 2: Convert to fraction form
    146,893,648.40/220,340,472.60 = 66,272,080.40/x
  3. Step 3: Cross multiply
    146,893,648.40x = 220,340,472.60 × 66,272,080.40
  4. Step 4: Simplify right side
    146,893,648.40x = 14,602,421,515,521,196
  5. Step 5: Solve for x
    x = 14,602,421,515,521,196/146,893,648.40
  6. Step 6: Final answer
    x = 99,408,120.60

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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.