Home / 122,304,323.57-168,813,065.45-72,112,323.65

Finding the Fourth Proportional to 122,304,323.57, 168,813,065.45 and 72,112,323.65

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Solution

The fourth proportional to 122,304,323.57, 168,813,065.45 and 72,112,323.65 is: 99,534,522.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,304,323.57 : 168,813,065.45 = 72,112,323.65 : x
  2. Step 2: Convert to fraction form
    122,304,323.57/168,813,065.45 = 72,112,323.65/x
  3. Step 3: Cross multiply
    122,304,323.57x = 168,813,065.45 × 72,112,323.65
  4. Step 4: Simplify right side
    122,304,323.57x = 12,173,502,411,415,246
  5. Step 5: Solve for x
    x = 12,173,502,411,415,246/122,304,323.57
  6. Step 6: Final answer
    x = 99,534,522.22

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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.