Home / 91,130,018.16-125,758,972.44-49,314,054

Finding the Fourth Proportional to 91,130,018.16, 125,758,972.44 and 49,314,054

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Solution

The fourth proportional to 91,130,018.16, 125,758,972.44 and 49,314,054 is: 68,053,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130,018.16 : 125,758,972.44 = 49,314,054 : x
  2. Step 2: Convert to fraction form
    91,130,018.16/125,758,972.44 = 49,314,054/x
  3. Step 3: Cross multiply
    91,130,018.16x = 125,758,972.44 × 49,314,054
  4. Step 4: Simplify right side
    91,130,018.16x = 6,201,684,757,890,672
  5. Step 5: Solve for x
    x = 6,201,684,757,890,672/91,130,018.16
  6. Step 6: Final answer
    x = 68,053,149.59

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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.