Home / 136,512,005.20-204,768,007.80-88,139,064.40

Finding the Fourth Proportional to 136,512,005.20, 204,768,007.80 and 88,139,064.40

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Solution

The fourth proportional to 136,512,005.20, 204,768,007.80 and 88,139,064.40 is: 132,208,596.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,512,005.20 : 204,768,007.80 = 88,139,064.40 : x
  2. Step 2: Convert to fraction form
    136,512,005.20/204,768,007.80 = 88,139,064.40/x
  3. Step 3: Cross multiply
    136,512,005.20x = 204,768,007.80 × 88,139,064.40
  4. Step 4: Simplify right side
    136,512,005.20x = 18,048,060,626,543,904
  5. Step 5: Solve for x
    x = 18,048,060,626,543,904/136,512,005.20
  6. Step 6: Final answer
    x = 132,208,596.60

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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.