Home / 257,111,177.22-354,835,306.83-145,621,851.12

Finding the Fourth Proportional to 257,111,177.22, 354,835,306.83 and 145,621,851.12

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Solution

The fourth proportional to 257,111,177.22, 354,835,306.83 and 145,621,851.12 is: 200,970,548.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,111,177.22 : 354,835,306.83 = 145,621,851.12 : x
  2. Step 2: Convert to fraction form
    257,111,177.22/354,835,306.83 = 145,621,851.12/x
  3. Step 3: Cross multiply
    257,111,177.22x = 354,835,306.83 × 145,621,851.12
  4. Step 4: Simplify right side
    257,111,177.22x = 51,671,774,223,317,776
  5. Step 5: Solve for x
    x = 51,671,774,223,317,776/257,111,177.22
  6. Step 6: Final answer
    x = 200,970,548.16

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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.