Home / 144,585,397.35-199,528,084.53-78,506,023.41

Finding the Fourth Proportional to 144,585,397.35, 199,528,084.53 and 78,506,023.41

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Solution

The fourth proportional to 144,585,397.35, 199,528,084.53 and 78,506,023.41 is: 108,338,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585,397.35 : 199,528,084.53 = 78,506,023.41 : x
  2. Step 2: Convert to fraction form
    144,585,397.35/199,528,084.53 = 78,506,023.41/x
  3. Step 3: Cross multiply
    144,585,397.35x = 199,528,084.53 × 78,506,023.41
  4. Step 4: Simplify right side
    144,585,397.35x = 15,664,156,475,064,638
  5. Step 5: Solve for x
    x = 15,664,156,475,064,638/144,585,397.35
  6. Step 6: Final answer
    x = 108,338,440.55

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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.