Home / 112,100,947.40-168,151,421.10-68,829,840.20

Finding the Fourth Proportional to 112,100,947.40, 168,151,421.10 and 68,829,840.20

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Solution

The fourth proportional to 112,100,947.40, 168,151,421.10 and 68,829,840.20 is: 103,244,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,947.40 : 168,151,421.10 = 68,829,840.20 : x
  2. Step 2: Convert to fraction form
    112,100,947.40/168,151,421.10 = 68,829,840.20/x
  3. Step 3: Cross multiply
    112,100,947.40x = 168,151,421.10 × 68,829,840.20
  4. Step 4: Simplify right side
    112,100,947.40x = 11,573,835,443,715,908
  5. Step 5: Solve for x
    x = 11,573,835,443,715,908/112,100,947.40
  6. Step 6: Final answer
    x = 103,244,760.30

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1.5x scale

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.