Home / 112,972,114.08-155,889,042.12-63,401,117.76

Finding the Fourth Proportional to 112,972,114.08, 155,889,042.12 and 63,401,117.76

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Solution

The fourth proportional to 112,972,114.08, 155,889,042.12 and 63,401,117.76 is: 87,486,541.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,972,114.08 : 155,889,042.12 = 63,401,117.76 : x
  2. Step 2: Convert to fraction form
    112,972,114.08/155,889,042.12 = 63,401,117.76/x
  3. Step 3: Cross multiply
    112,972,114.08x = 155,889,042.12 × 63,401,117.76
  4. Step 4: Simplify right side
    112,972,114.08x = 9,883,539,516,943,720
  5. Step 5: Solve for x
    x = 9,883,539,516,943,720/112,972,114.08
  6. Step 6: Final answer
    x = 87,486,541.24

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1.5x scale

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.