Home / 101,357,809.92-139,874,878.26-59,543,638.38

Finding the Fourth Proportional to 101,357,809.92, 139,874,878.26 and 59,543,638.38

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Solution

The fourth proportional to 101,357,809.92, 139,874,878.26 and 59,543,638.38 is: 82,170,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,357,809.92 : 139,874,878.26 = 59,543,638.38 : x
  2. Step 2: Convert to fraction form
    101,357,809.92/139,874,878.26 = 59,543,638.38/x
  3. Step 3: Cross multiply
    101,357,809.92x = 139,874,878.26 × 59,543,638.38
  4. Step 4: Simplify right side
    101,357,809.92x = 8,328,659,169,559,963
  5. Step 5: Solve for x
    x = 8,328,659,169,559,963/101,357,809.92
  6. Step 6: Final answer
    x = 82,170,867.51

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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.