Home / 112,314,632.04-154,995,217.80-65,905,659.36

Finding the Fourth Proportional to 112,314,632.04, 154,995,217.80 and 65,905,659.36

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Solution

The fourth proportional to 112,314,632.04, 154,995,217.80 and 65,905,659.36 is: 90,950,411.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,314,632.04 : 154,995,217.80 = 65,905,659.36 : x
  2. Step 2: Convert to fraction form
    112,314,632.04/154,995,217.80 = 65,905,659.36/x
  3. Step 3: Cross multiply
    112,314,632.04x = 154,995,217.80 × 65,905,659.36
  4. Step 4: Simplify right side
    112,314,632.04x = 10,215,062,026,755,810
  5. Step 5: Solve for x
    x = 10,215,062,026,755,810/112,314,632.04
  6. Step 6: Final answer
    x = 90,950,411.72

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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.