Home / 278,518,952.34-384,348,026.33-159,437,597.29

Finding the Fourth Proportional to 278,518,952.34, 384,348,026.33 and 159,437,597.29

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Solution

The fourth proportional to 278,518,952.34, 384,348,026.33 and 159,437,597.29 is: 220,019,231.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,518,952.34 : 384,348,026.33 = 159,437,597.29 : x
  2. Step 2: Convert to fraction form
    278,518,952.34/384,348,026.33 = 159,437,597.29/x
  3. Step 3: Cross multiply
    278,518,952.34x = 384,348,026.33 × 159,437,597.29
  4. Step 4: Simplify right side
    278,518,952.34x = 61,279,525,840,048,688
  5. Step 5: Solve for x
    x = 61,279,525,840,048,688/278,518,952.34
  6. Step 6: Final answer
    x = 220,019,231.46

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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.