Home / 319,681,701.40-479,312,600.10-125,476,101.40

Finding the Fourth Proportional to 319,681,701.40, 479,312,600.10 and 125,476,101.40

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Solution

The fourth proportional to 319,681,701.40, 479,312,600.10 and 125,476,101.40 is: 188,131,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,681,701.40 : 479,312,600.10 = 125,476,101.40 : x
  2. Step 2: Convert to fraction form
    319,681,701.40/479,312,600.10 = 125,476,101.40/x
  3. Step 3: Cross multiply
    319,681,701.40x = 479,312,600.10 × 125,476,101.40
  4. Step 4: Simplify right side
    319,681,701.40x = 60,142,276,412,445,256
  5. Step 5: Solve for x
    x = 60,142,276,412,445,256/319,681,701.40
  6. Step 6: Final answer
    x = 188,131,745.26

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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.