Home / 136,067,721.20-204,101,581.80-97,803,969.20

Finding the Fourth Proportional to 136,067,721.20, 204,101,581.80 and 97,803,969.20

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Solution

The fourth proportional to 136,067,721.20, 204,101,581.80 and 97,803,969.20 is: 146,705,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,067,721.20 : 204,101,581.80 = 97,803,969.20 : x
  2. Step 2: Convert to fraction form
    136,067,721.20/204,101,581.80 = 97,803,969.20/x
  3. Step 3: Cross multiply
    136,067,721.20x = 204,101,581.80 × 97,803,969.20
  4. Step 4: Simplify right side
    136,067,721.20x = 19,961,944,820,038,484
  5. Step 5: Solve for x
    x = 19,961,944,820,038,484/136,067,721.20
  6. Step 6: Final answer
    x = 146,705,953.80

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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.