Home / 112,005,261.40-168,007,892.10-89,330,445.40

Finding the Fourth Proportional to 112,005,261.40, 168,007,892.10 and 89,330,445.40

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Solution

The fourth proportional to 112,005,261.40, 168,007,892.10 and 89,330,445.40 is: 133,995,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,005,261.40 : 168,007,892.10 = 89,330,445.40 : x
  2. Step 2: Convert to fraction form
    112,005,261.40/168,007,892.10 = 89,330,445.40/x
  3. Step 3: Cross multiply
    112,005,261.40x = 168,007,892.10 × 89,330,445.40
  4. Step 4: Simplify right side
    112,005,261.40x = 15,008,219,832,008,142
  5. Step 5: Solve for x
    x = 15,008,219,832,008,142/112,005,261.40
  6. Step 6: Final answer
    x = 133,995,668.10

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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.