Home / 144,585,398.35-199,528,085.91-78,506,024.41

Finding the Fourth Proportional to 144,585,398.35, 199,528,085.91 and 78,506,024.41

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Solution

The fourth proportional to 144,585,398.35, 199,528,085.91 and 78,506,024.41 is: 108,338,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,585,398.35 : 199,528,085.91 = 78,506,024.41 : x
  2. Step 2: Convert to fraction form
    144,585,398.35/199,528,085.91 = 78,506,024.41/x
  3. Step 3: Cross multiply
    144,585,398.35x = 199,528,085.91 × 78,506,024.41
  4. Step 4: Simplify right side
    144,585,398.35x = 15,664,156,782,931,036
  5. Step 5: Solve for x
    x = 15,664,156,782,931,036/144,585,398.35
  6. Step 6: Final answer
    x = 108,338,441.93

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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.