Home / 103,423,565.67-142,725,483.35-57,015,480.34

Finding the Fourth Proportional to 103,423,565.67, 142,725,483.35 and 57,015,480.34

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Solution

The fourth proportional to 103,423,565.67, 142,725,483.35 and 57,015,480.34 is: 78,681,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,565.67 : 142,725,483.35 = 57,015,480.34 : x
  2. Step 2: Convert to fraction form
    103,423,565.67/142,725,483.35 = 57,015,480.34/x
  3. Step 3: Cross multiply
    103,423,565.67x = 142,725,483.35 × 57,015,480.34
  4. Step 4: Simplify right side
    103,423,565.67x = 8,137,561,989,958,923
  5. Step 5: Solve for x
    x = 8,137,561,989,958,923/103,423,565.67
  6. Step 6: Final answer
    x = 78,681,893.60

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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.