Home / 157,788,281.60-236,682,422.40-129,090,467.60

Finding the Fourth Proportional to 157,788,281.60, 236,682,422.40 and 129,090,467.60

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Solution

The fourth proportional to 157,788,281.60, 236,682,422.40 and 129,090,467.60 is: 193,635,701.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,788,281.60 : 236,682,422.40 = 129,090,467.60 : x
  2. Step 2: Convert to fraction form
    157,788,281.60/236,682,422.40 = 129,090,467.60/x
  3. Step 3: Cross multiply
    157,788,281.60x = 236,682,422.40 × 129,090,467.60
  4. Step 4: Simplify right side
    157,788,281.60x = 30,553,444,580,316,712
  5. Step 5: Solve for x
    x = 30,553,444,580,316,712/157,788,281.60
  6. Step 6: Final answer
    x = 193,635,701.40

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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.