Home / 109,132,079.10-163,698,118.65-66,085,358.10

Finding the Fourth Proportional to 109,132,079.10, 163,698,118.65 and 66,085,358.10

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Solution

The fourth proportional to 109,132,079.10, 163,698,118.65 and 66,085,358.10 is: 99,128,037.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,132,079.10 : 163,698,118.65 = 66,085,358.10 : x
  2. Step 2: Convert to fraction form
    109,132,079.10/163,698,118.65 = 66,085,358.10/x
  3. Step 3: Cross multiply
    109,132,079.10x = 163,698,118.65 × 66,085,358.10
  4. Step 4: Simplify right side
    109,132,079.10x = 10,818,048,791,281,540
  5. Step 5: Solve for x
    x = 10,818,048,791,281,540/109,132,079.10
  6. Step 6: Final answer
    x = 99,128,037.15

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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.