Home / 302,049,721.40-453,142,750.11-91,979,199.47

Finding the Fourth Proportional to 302,049,721.40, 453,142,750.11 and 91,979,199.47

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Solution

The fourth proportional to 302,049,721.40, 453,142,750.11 and 91,979,199.47 is: 137,989,557.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,049,721.40 : 453,142,750.11 = 91,979,199.47 : x
  2. Step 2: Convert to fraction form
    302,049,721.40/453,142,750.11 = 91,979,199.47/x
  3. Step 3: Cross multiply
    302,049,721.40x = 453,142,750.11 × 91,979,199.47
  4. Step 4: Simplify right side
    302,049,721.40x = 41,679,707,401,884,912
  5. Step 5: Solve for x
    x = 41,679,707,401,884,912/302,049,721.40
  6. Step 6: Final answer
    x = 137,989,557.51

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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.