Home / 47,954,181.24-66,182,831.10-31,448,192.40

Finding the Fourth Proportional to 47,954,181.24, 66,182,831.10 and 31,448,192.40

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Solution

The fourth proportional to 47,954,181.24, 66,182,831.10 and 31,448,192.40 is: 43,402,480.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,954,181.24 : 66,182,831.10 = 31,448,192.40 : x
  2. Step 2: Convert to fraction form
    47,954,181.24/66,182,831.10 = 31,448,192.40/x
  3. Step 3: Cross multiply
    47,954,181.24x = 66,182,831.10 × 31,448,192.40
  4. Step 4: Simplify right side
    47,954,181.24x = 2,081,330,406,009,503.50
  5. Step 5: Solve for x
    x = 2,081,330,406,009,503.50/47,954,181.24
  6. Step 6: Final answer
    x = 43,402,480.29

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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.