Home / 107,637,970.40-161,456,955.60-39,458,002.40

Finding the Fourth Proportional to 107,637,970.40, 161,456,955.60 and 39,458,002.40

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Solution

The fourth proportional to 107,637,970.40, 161,456,955.60 and 39,458,002.40 is: 59,187,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,637,970.40 : 161,456,955.60 = 39,458,002.40 : x
  2. Step 2: Convert to fraction form
    107,637,970.40/161,456,955.60 = 39,458,002.40/x
  3. Step 3: Cross multiply
    107,637,970.40x = 161,456,955.60 × 39,458,002.40
  4. Step 4: Simplify right side
    107,637,970.40x = 6,370,768,941,561,493
  5. Step 5: Solve for x
    x = 6,370,768,941,561,493/107,637,970.40
  6. Step 6: Final answer
    x = 59,187,003.60

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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.