Home / 112,202,898.15-154,828,203.80-65,150,774.13

Finding the Fourth Proportional to 112,202,898.15, 154,828,203.80 and 65,150,774.13

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Solution

The fourth proportional to 112,202,898.15, 154,828,203.80 and 65,150,774.13 is: 89,901,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,202,898.15 : 154,828,203.80 = 65,150,774.13 : x
  2. Step 2: Convert to fraction form
    112,202,898.15/154,828,203.80 = 65,150,774.13/x
  3. Step 3: Cross multiply
    112,202,898.15x = 154,828,203.80 × 65,150,774.13
  4. Step 4: Simplify right side
    112,202,898.15x = 10,087,177,334,401,654
  5. Step 5: Solve for x
    x = 10,087,177,334,401,654/112,202,898.15
  6. Step 6: Final answer
    x = 89,901,219.14

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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.