Home / 247,718,275.68-371,369,561.04-109,521,570.72

Finding the Fourth Proportional to 247,718,275.68, 371,369,561.04 and 109,521,570.72

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Solution

The fourth proportional to 247,718,275.68, 371,369,561.04 and 109,521,570.72 is: 164,190,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,718,275.68 : 371,369,561.04 = 109,521,570.72 : x
  2. Step 2: Convert to fraction form
    247,718,275.68/371,369,561.04 = 109,521,570.72/x
  3. Step 3: Cross multiply
    247,718,275.68x = 371,369,561.04 × 109,521,570.72
  4. Step 4: Simplify right side
    247,718,275.68x = 40,672,977,642,697,720
  5. Step 5: Solve for x
    x = 40,672,977,642,697,720/247,718,275.68
  6. Step 6: Final answer
    x = 164,190,460.03

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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.