Home / 278,935,229.34-418,402,842.06-101,685,663.54

Finding the Fourth Proportional to 278,935,229.34, 418,402,842.06 and 101,685,663.54

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Solution

The fourth proportional to 278,935,229.34, 418,402,842.06 and 101,685,663.54 is: 152,528,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,935,229.34 : 418,402,842.06 = 101,685,663.54 : x
  2. Step 2: Convert to fraction form
    278,935,229.34/418,402,842.06 = 101,685,663.54/x
  3. Step 3: Cross multiply
    278,935,229.34x = 418,402,842.06 × 101,685,663.54
  4. Step 4: Simplify right side
    278,935,229.34x = 42,545,570,621,892,920
  5. Step 5: Solve for x
    x = 42,545,570,621,892,920/278,935,229.34
  6. Step 6: Final answer
    x = 152,528,494.60

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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.