Home / 113,189,831.72-169,775,281.51-31,309,720.85

Finding the Fourth Proportional to 113,189,831.72, 169,775,281.51 and 31,309,720.85

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Solution

The fourth proportional to 113,189,831.72, 169,775,281.51 and 31,309,720.85 is: 46,961,962.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,189,831.72 : 169,775,281.51 = 31,309,720.85 : x
  2. Step 2: Convert to fraction form
    113,189,831.72/169,775,281.51 = 31,309,720.85/x
  3. Step 3: Cross multiply
    113,189,831.72x = 169,775,281.51 × 31,309,720.85
  4. Step 4: Simplify right side
    113,189,831.72x = 5,315,616,671,308,266
  5. Step 5: Solve for x
    x = 5,315,616,671,308,266/113,189,831.72
  6. Step 6: Final answer
    x = 46,961,962.84

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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.