Home / 302,684,442.12-454,026,669.09-72,653,526.78

Finding the Fourth Proportional to 302,684,442.12, 454,026,669.09 and 72,653,526.78

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Solution

The fourth proportional to 302,684,442.12, 454,026,669.09 and 72,653,526.78 is: 108,980,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,684,442.12 : 454,026,669.09 = 72,653,526.78 : x
  2. Step 2: Convert to fraction form
    302,684,442.12/454,026,669.09 = 72,653,526.78/x
  3. Step 3: Cross multiply
    302,684,442.12x = 454,026,669.09 × 72,653,526.78
  4. Step 4: Simplify right side
    302,684,442.12x = 32,986,638,761,564,512
  5. Step 5: Solve for x
    x = 32,986,638,761,564,512/302,684,442.12
  6. Step 6: Final answer
    x = 108,980,291.59

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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.