Home / 97,020,007.20-145,530,010.80-48,505,348.80

Finding the Fourth Proportional to 97,020,007.20, 145,530,010.80 and 48,505,348.80

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Solution

The fourth proportional to 97,020,007.20, 145,530,010.80 and 48,505,348.80 is: 72,758,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,020,007.20 : 145,530,010.80 = 48,505,348.80 : x
  2. Step 2: Convert to fraction form
    97,020,007.20/145,530,010.80 = 48,505,348.80/x
  3. Step 3: Cross multiply
    97,020,007.20x = 145,530,010.80 × 48,505,348.80
  4. Step 4: Simplify right side
    97,020,007.20x = 7,058,983,934,721,767
  5. Step 5: Solve for x
    x = 7,058,983,934,721,767/97,020,007.20
  6. Step 6: Final answer
    x = 72,758,023.20

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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.