Home / 113,335,231.90-169,719,412.65-90,660,415.90

Finding the Fourth Proportional to 113,335,231.90, 169,719,412.65 and 90,660,415.90

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Solution

The fourth proportional to 113,335,231.90, 169,719,412.65 and 90,660,415.90 is: 135,763,895.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,335,231.90 : 169,719,412.65 = 90,660,415.90 : x
  2. Step 2: Convert to fraction form
    113,335,231.90/169,719,412.65 = 90,660,415.90/x
  3. Step 3: Cross multiply
    113,335,231.90x = 169,719,412.65 × 90,660,415.90
  4. Step 4: Simplify right side
    113,335,231.90x = 15,386,832,537,152,722
  5. Step 5: Solve for x
    x = 15,386,832,537,152,722/113,335,231.90
  6. Step 6: Final answer
    x = 135,763,895.12

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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.