Home / 275,617,549.02-413,486,859.16-81,513,831.36

Finding the Fourth Proportional to 275,617,549.02, 413,486,859.16 and 81,513,831.36

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Solution

The fourth proportional to 275,617,549.02, 413,486,859.16 and 81,513,831.36 is: 122,288,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,617,549.02 : 413,486,859.16 = 81,513,831.36 : x
  2. Step 2: Convert to fraction form
    275,617,549.02/413,486,859.16 = 81,513,831.36/x
  3. Step 3: Cross multiply
    275,617,549.02x = 413,486,859.16 × 81,513,831.36
  4. Step 4: Simplify right side
    275,617,549.02x = 33,704,898,107,144,312
  5. Step 5: Solve for x
    x = 33,704,898,107,144,312/275,617,549.02
  6. Step 6: Final answer
    x = 122,288,650.44

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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.