Home / 125,070,052.11-172,596,688.29-69,319,071.85

Finding the Fourth Proportional to 125,070,052.11, 172,596,688.29 and 69,319,071.85

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Solution

The fourth proportional to 125,070,052.11, 172,596,688.29 and 69,319,071.85 is: 95,660,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,070,052.11 : 172,596,688.29 = 69,319,071.85 : x
  2. Step 2: Convert to fraction form
    125,070,052.11/172,596,688.29 = 69,319,071.85/x
  3. Step 3: Cross multiply
    125,070,052.11x = 172,596,688.29 × 69,319,071.85
  4. Step 4: Simplify right side
    125,070,052.11x = 11,964,242,236,215,070
  5. Step 5: Solve for x
    x = 11,964,242,236,215,070/125,070,052.11
  6. Step 6: Final answer
    x = 95,660,328.23

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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.