Home / 125,705,267.96-188,565,871.74-39,447,079.16

Finding the Fourth Proportional to 125,705,267.96, 188,565,871.74 and 39,447,079.16

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Solution

The fourth proportional to 125,705,267.96, 188,565,871.74 and 39,447,079.16 is: 59,173,119.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,705,267.96 : 188,565,871.74 = 39,447,079.16 : x
  2. Step 2: Convert to fraction form
    125,705,267.96/188,565,871.74 = 39,447,079.16/x
  3. Step 3: Cross multiply
    125,705,267.96x = 188,565,871.74 × 39,447,079.16
  4. Step 4: Simplify right side
    125,705,267.96x = 7,438,372,869,402,187
  5. Step 5: Solve for x
    x = 7,438,372,869,402,187/125,705,267.96
  6. Step 6: Final answer
    x = 59,173,119.71

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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.