Home / 144,559,215.58-199,495,187.28-78,482,498.86

Finding the Fourth Proportional to 144,559,215.58, 199,495,187.28 and 78,482,498.86

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Solution

The fourth proportional to 144,559,215.58, 199,495,187.28 and 78,482,498.86 is: 108,307,732.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,559,215.58 : 199,495,187.28 = 78,482,498.86 : x
  2. Step 2: Convert to fraction form
    144,559,215.58/199,495,187.28 = 78,482,498.86/x
  3. Step 3: Cross multiply
    144,559,215.58x = 199,495,187.28 × 78,482,498.86
  4. Step 4: Simplify right side
    144,559,215.58x = 15,656,880,808,278,086
  5. Step 5: Solve for x
    x = 15,656,880,808,278,086/144,559,215.58
  6. Step 6: Final answer
    x = 108,307,732.20

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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.