Home / 115,314,512.76-159,134,038.56-63,103,545.72

Finding the Fourth Proportional to 115,314,512.76, 159,134,038.56 and 63,103,545.72

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Solution

The fourth proportional to 115,314,512.76, 159,134,038.56 and 63,103,545.72 is: 87,082,899.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,314,512.76 : 159,134,038.56 = 63,103,545.72 : x
  2. Step 2: Convert to fraction form
    115,314,512.76/159,134,038.56 = 63,103,545.72/x
  3. Step 3: Cross multiply
    115,314,512.76x = 159,134,038.56 × 63,103,545.72
  4. Step 4: Simplify right side
    115,314,512.76x = 10,041,922,077,879,202
  5. Step 5: Solve for x
    x = 10,041,922,077,879,202/115,314,512.76
  6. Step 6: Final answer
    x = 87,082,899.09

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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.