Home / 112,100,959.40-168,151,439.10-89,426,143.40

Finding the Fourth Proportional to 112,100,959.40, 168,151,439.10 and 89,426,143.40

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Solution

The fourth proportional to 112,100,959.40, 168,151,439.10 and 89,426,143.40 is: 134,139,215.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,100,959.40 : 168,151,439.10 = 89,426,143.40 : x
  2. Step 2: Convert to fraction form
    112,100,959.40/168,151,439.10 = 89,426,143.40/x
  3. Step 3: Cross multiply
    112,100,959.40x = 168,151,439.10 × 89,426,143.40
  4. Step 4: Simplify right side
    112,100,959.40x = 15,037,134,705,872,968
  5. Step 5: Solve for x
    x = 15,037,134,705,872,968/112,100,959.40
  6. Step 6: Final answer
    x = 134,139,215.10

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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.