Home / 144,020,116.31-198,748,394.37-77,940,624.74

Finding the Fourth Proportional to 144,020,116.31, 198,748,394.37 and 77,940,624.74

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Solution

The fourth proportional to 144,020,116.31, 198,748,394.37 and 77,940,624.74 is: 107,558,405.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,020,116.31 : 198,748,394.37 = 77,940,624.74 : x
  2. Step 2: Convert to fraction form
    144,020,116.31/198,748,394.37 = 77,940,624.74/x
  3. Step 3: Cross multiply
    144,020,116.31x = 198,748,394.37 × 77,940,624.74
  4. Step 4: Simplify right side
    144,020,116.31x = 15,490,574,022,795,696
  5. Step 5: Solve for x
    x = 15,490,574,022,795,696/144,020,116.31
  6. Step 6: Final answer
    x = 107,558,405.17

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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.