Home / 169,490,437.60-254,313,845.52-77,402,405.92

Finding the Fourth Proportional to 169,490,437.60, 254,313,845.52 and 77,402,405.92

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Solution

The fourth proportional to 169,490,437.60, 254,313,845.52 and 77,402,405.92 is: 116,139,316.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,490,437.60 : 254,313,845.52 = 77,402,405.92 : x
  2. Step 2: Convert to fraction form
    169,490,437.60/254,313,845.52 = 77,402,405.92/x
  3. Step 3: Cross multiply
    169,490,437.60x = 254,313,845.52 × 77,402,405.92
  4. Step 4: Simplify right side
    169,490,437.60x = 19,684,503,502,015,216
  5. Step 5: Solve for x
    x = 19,684,503,502,015,216/169,490,437.60
  6. Step 6: Final answer
    x = 116,139,316.06

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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.