Home / 157,464,006.40-236,196,009.60-138,969,859.60

Finding the Fourth Proportional to 157,464,006.40, 236,196,009.60 and 138,969,859.60

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Solution

The fourth proportional to 157,464,006.40, 236,196,009.60 and 138,969,859.60 is: 208,454,789.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,006.40 : 236,196,009.60 = 138,969,859.60 : x
  2. Step 2: Convert to fraction form
    157,464,006.40/236,196,009.60 = 138,969,859.60/x
  3. Step 3: Cross multiply
    157,464,006.40x = 236,196,009.60 × 138,969,859.60
  4. Step 4: Simplify right side
    157,464,006.40x = 32,824,126,292,192,248
  5. Step 5: Solve for x
    x = 32,824,126,292,192,248/157,464,006.40
  6. Step 6: Final answer
    x = 208,454,789.40

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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.