Home / 103,423,566.17-142,725,484.04-57,015,480.84

Finding the Fourth Proportional to 103,423,566.17, 142,725,484.04 and 57,015,480.84

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Solution

The fourth proportional to 103,423,566.17, 142,725,484.04 and 57,015,480.84 is: 78,681,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,423,566.17 : 142,725,484.04 = 57,015,480.84 : x
  2. Step 2: Convert to fraction form
    103,423,566.17/142,725,484.04 = 57,015,480.84/x
  3. Step 3: Cross multiply
    103,423,566.17x = 142,725,484.04 × 57,015,480.84
  4. Step 4: Simplify right side
    103,423,566.17x = 8,137,562,100,377,269
  5. Step 5: Solve for x
    x = 8,137,562,100,377,269/103,423,566.17
  6. Step 6: Final answer
    x = 78,681,894.29

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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.