Home / 99,867,849,689.44-137,832,554,715.55-78,617,997,293.01

Finding the Fourth Proportional to 99,867,849,689.44, 137,832,554,715.55 and 78,617,997,293.01

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Solution

The fourth proportional to 99,867,849,689.44, 137,832,554,715.55 and 78,617,997,293.01 is: 108,504,583,278.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,867,849,689.44 : 137,832,554,715.55 = 78,617,997,293.01 : x
  2. Step 2: Convert to fraction form
    99,867,849,689.44/137,832,554,715.55 = 78,617,997,293.01/x
  3. Step 3: Cross multiply
    99,867,849,689.44x = 137,832,554,715.55 × 78,617,997,293.01
  4. Step 4: Simplify right side
    99,867,849,689.44x = 10,836,119,413,515,760,959,488
  5. Step 5: Solve for x
    x = 10,836,119,413,515,760,959,488/99,867,849,689.44
  6. Step 6: Final answer
    x = 108,504,583,278.93

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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.