Home / 157,465,235.40-236,197,853.10-138,971,088.60

Finding the Fourth Proportional to 157,465,235.40, 236,197,853.10 and 138,971,088.60

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Solution

The fourth proportional to 157,465,235.40, 236,197,853.10 and 138,971,088.60 is: 208,456,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,465,235.40 : 236,197,853.10 = 138,971,088.60 : x
  2. Step 2: Convert to fraction form
    157,465,235.40/236,197,853.10 = 138,971,088.60/x
  3. Step 3: Cross multiply
    157,465,235.40x = 236,197,853.10 × 138,971,088.60
  4. Step 4: Simplify right side
    157,465,235.40x = 32,824,672,770,289,884
  5. Step 5: Solve for x
    x = 32,824,672,770,289,884/157,465,235.40
  6. Step 6: Final answer
    x = 208,456,632.90

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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.