Home / 157,788,133.60-236,682,200.40-129,090,319.60

Finding the Fourth Proportional to 157,788,133.60, 236,682,200.40 and 129,090,319.60

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Solution

The fourth proportional to 157,788,133.60, 236,682,200.40 and 129,090,319.60 is: 193,635,479.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,133.60 : 236,682,200.40 = 129,090,319.60 : x
  2. Step 2: Convert to fraction form
    157,788,133.60/236,682,200.40 = 129,090,319.60/x
  3. Step 3: Cross multiply
    157,788,133.60x = 236,682,200.40 × 129,090,319.60
  4. Step 4: Simplify right side
    157,788,133.60x = 30,553,380,893,267,248
  5. Step 5: Solve for x
    x = 30,553,380,893,267,248/157,788,133.60
  6. Step 6: Final answer
    x = 193,635,479.40

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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.