Home / 247,680,416.54-371,520,690.42-72,803,457.74

Finding the Fourth Proportional to 247,680,416.54, 371,520,690.42 and 72,803,457.74

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Solution

The fourth proportional to 247,680,416.54, 371,520,690.42 and 72,803,457.74 is: 109,205,205.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,680,416.54 : 371,520,690.42 = 72,803,457.74 : x
  2. Step 2: Convert to fraction form
    247,680,416.54/371,520,690.42 = 72,803,457.74/x
  3. Step 3: Cross multiply
    247,680,416.54x = 371,520,690.42 × 72,803,457.74
  4. Step 4: Simplify right side
    247,680,416.54x = 27,047,990,882,670,492
  5. Step 5: Solve for x
    x = 27,047,990,882,670,492/247,680,416.54
  6. Step 6: Final answer
    x = 109,205,205.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.