Home / 90,763,384.80-135,893,134.80-88,243,960.80

Finding the Fourth Proportional to 90,763,384.80, 135,893,134.80 and 88,243,960.80

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Solution

The fourth proportional to 90,763,384.80, 135,893,134.80 and 88,243,960.80 is: 132,120,992.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,763,384.80 : 135,893,134.80 = 88,243,960.80 : x
  2. Step 2: Convert to fraction form
    90,763,384.80/135,893,134.80 = 88,243,960.80/x
  3. Step 3: Cross multiply
    90,763,384.80x = 135,893,134.80 × 88,243,960.80
  4. Step 4: Simplify right side
    90,763,384.80x = 11,991,748,460,280,316
  5. Step 5: Solve for x
    x = 11,991,748,460,280,316/90,763,384.80
  6. Step 6: Final answer
    x = 132,120,992.26

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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.