Home / 99,305,390.34-148,963,680.45-30,220,440.66

Finding the Fourth Proportional to 99,305,390.34, 148,963,680.45 and 30,220,440.66

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Solution

The fourth proportional to 99,305,390.34, 148,963,680.45 and 30,220,440.66 is: 45,332,363.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,305,390.34 : 148,963,680.45 = 30,220,440.66 : x
  2. Step 2: Convert to fraction form
    99,305,390.34/148,963,680.45 = 30,220,440.66/x
  3. Step 3: Cross multiply
    99,305,390.34x = 148,963,680.45 × 30,220,440.66
  4. Step 4: Simplify right side
    99,305,390.34x = 4,501,748,065,534,427
  5. Step 5: Solve for x
    x = 4,501,748,065,534,427/99,305,390.34
  6. Step 6: Final answer
    x = 45,332,363.63

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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.