Home / 86,563,726.38-119,456,482.59-47,931,728.94

Finding the Fourth Proportional to 86,563,726.38, 119,456,482.59 and 47,931,728.94

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Solution

The fourth proportional to 86,563,726.38, 119,456,482.59 and 47,931,728.94 is: 66,144,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,563,726.38 : 119,456,482.59 = 47,931,728.94 : x
  2. Step 2: Convert to fraction form
    86,563,726.38/119,456,482.59 = 47,931,728.94/x
  3. Step 3: Cross multiply
    86,563,726.38x = 119,456,482.59 × 47,931,728.94
  4. Step 4: Simplify right side
    86,563,726.38x = 5,725,755,743,629,709
  5. Step 5: Solve for x
    x = 5,725,755,743,629,709/86,563,726.38
  6. Step 6: Final answer
    x = 66,144,977.61

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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.