Home / 302,329,358.40-417,187,916.28-168,357,151.16

Finding the Fourth Proportional to 302,329,358.40, 417,187,916.28 and 168,357,151.16

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Solution

The fourth proportional to 302,329,358.40, 417,187,916.28 and 168,357,151.16 is: 232,318,056.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,329,358.40 : 417,187,916.28 = 168,357,151.16 : x
  2. Step 2: Convert to fraction form
    302,329,358.40/417,187,916.28 = 168,357,151.16/x
  3. Step 3: Cross multiply
    302,329,358.40x = 417,187,916.28 × 168,357,151.16
  4. Step 4: Simplify right side
    302,329,358.40x = 70,236,569,082,755,896
  5. Step 5: Solve for x
    x = 70,236,569,082,755,896/302,329,358.40
  6. Step 6: Final answer
    x = 232,318,056.88

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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.