Home / 125,288,615.25-172,896,167.64-70,283,290.77

Finding the Fourth Proportional to 125,288,615.25, 172,896,167.64 and 70,283,290.77

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Solution

The fourth proportional to 125,288,615.25, 172,896,167.64 and 70,283,290.77 is: 96,989,751.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,288,615.25 : 172,896,167.64 = 70,283,290.77 : x
  2. Step 2: Convert to fraction form
    125,288,615.25/172,896,167.64 = 70,283,290.77/x
  3. Step 3: Cross multiply
    125,288,615.25x = 172,896,167.64 × 70,283,290.77
  4. Step 4: Simplify right side
    125,288,615.25x = 12,151,711,623,260,782
  5. Step 5: Solve for x
    x = 12,151,711,623,260,782/125,288,615.25
  6. Step 6: Final answer
    x = 96,989,751.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.