Home / 99,867,849,688.44-137,832,554,714.17-78,617,997,292.01

Finding the Fourth Proportional to 99,867,849,688.44, 137,832,554,714.17 and 78,617,997,292.01

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Solution

The fourth proportional to 99,867,849,688.44, 137,832,554,714.17 and 78,617,997,292.01 is: 108,504,583,277.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,867,849,688.44 : 137,832,554,714.17 = 78,617,997,292.01 : x
  2. Step 2: Convert to fraction form
    99,867,849,688.44/137,832,554,714.17 = 78,617,997,292.01/x
  3. Step 3: Cross multiply
    99,867,849,688.44x = 137,832,554,714.17 × 78,617,997,292.01
  4. Step 4: Simplify right side
    99,867,849,688.44x = 10,836,119,413,268,750,008,320
  5. Step 5: Solve for x
    x = 10,836,119,413,268,750,008,320/99,867,849,688.44
  6. Step 6: Final answer
    x = 108,504,583,277.55

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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.