Home / 112,729,848.12-155,564,550.41-66,323,085.93

Finding the Fourth Proportional to 112,729,848.12, 155,564,550.41 and 66,323,085.93

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Solution

The fourth proportional to 112,729,848.12, 155,564,550.41 and 66,323,085.93 is: 91,524,305.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,729,848.12 : 155,564,550.41 = 66,323,085.93 : x
  2. Step 2: Convert to fraction form
    112,729,848.12/155,564,550.41 = 66,323,085.93/x
  3. Step 3: Cross multiply
    112,729,848.12x = 155,564,550.41 × 66,323,085.93
  4. Step 4: Simplify right side
    112,729,848.12x = 10,317,521,044,172,632
  5. Step 5: Solve for x
    x = 10,317,521,044,172,632/112,729,848.12
  6. Step 6: Final answer
    x = 91,524,305.37

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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.