Home / 90,199,278.86-135,254,828.34-62,918,640.86

Finding the Fourth Proportional to 90,199,278.86, 135,254,828.34 and 62,918,640.86

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Solution

The fourth proportional to 90,199,278.86, 135,254,828.34 and 62,918,640.86 is: 94,347,206.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,199,278.86 : 135,254,828.34 = 62,918,640.86 : x
  2. Step 2: Convert to fraction form
    90,199,278.86/135,254,828.34 = 62,918,640.86/x
  3. Step 3: Cross multiply
    90,199,278.86x = 135,254,828.34 × 62,918,640.86
  4. Step 4: Simplify right side
    90,199,278.86x = 8,510,049,968,229,136
  5. Step 5: Solve for x
    x = 8,510,049,968,229,136/90,199,278.86
  6. Step 6: Final answer
    x = 94,347,206.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.