Home / 154,864,549.96-213,758,208.78-101,227,002.80

Finding the Fourth Proportional to 154,864,549.96, 213,758,208.78 and 101,227,002.80

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Solution

The fourth proportional to 154,864,549.96, 213,758,208.78 and 101,227,002.80 is: 139,722,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,864,549.96 : 213,758,208.78 = 101,227,002.80 : x
  2. Step 2: Convert to fraction form
    154,864,549.96/213,758,208.78 = 101,227,002.80/x
  3. Step 3: Cross multiply
    154,864,549.96x = 213,758,208.78 × 101,227,002.80
  4. Step 4: Simplify right side
    154,864,549.96x = 21,638,102,798,696,044
  5. Step 5: Solve for x
    x = 21,638,102,798,696,044/154,864,549.96
  6. Step 6: Final answer
    x = 139,722,762.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.