Home / 107,830,802.88-148,785,867.36-61,420,040.64

Finding the Fourth Proportional to 107,830,802.88, 148,785,867.36 and 61,420,040.64

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Solution

The fourth proportional to 107,830,802.88, 148,785,867.36 and 61,420,040.64 is: 84,747,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,830,802.88 : 148,785,867.36 = 61,420,040.64 : x
  2. Step 2: Convert to fraction form
    107,830,802.88/148,785,867.36 = 61,420,040.64/x
  3. Step 3: Cross multiply
    107,830,802.88x = 148,785,867.36 × 61,420,040.64
  4. Step 4: Simplify right side
    107,830,802.88x = 9,138,434,019,908,850
  5. Step 5: Solve for x
    x = 9,138,434,019,908,850/107,830,802.88
  6. Step 6: Final answer
    x = 84,747,899.26

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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.