Home / 245,283,752.76-368,023,781.76-99,728,502.36

Finding the Fourth Proportional to 245,283,752.76, 368,023,781.76 and 99,728,502.36

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Solution

The fourth proportional to 245,283,752.76, 368,023,781.76 and 99,728,502.36 is: 149,632,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,283,752.76 : 368,023,781.76 = 99,728,502.36 : x
  2. Step 2: Convert to fraction form
    245,283,752.76/368,023,781.76 = 99,728,502.36/x
  3. Step 3: Cross multiply
    245,283,752.76x = 368,023,781.76 × 99,728,502.36
  4. Step 4: Simplify right side
    245,283,752.76x = 36,702,460,587,788,280
  5. Step 5: Solve for x
    x = 36,702,460,587,788,280/245,283,752.76
  6. Step 6: Final answer
    x = 149,632,660.85

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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.