Home / 107,806,040.81-148,772,336.31-61,400,612.69

Finding the Fourth Proportional to 107,806,040.81, 148,772,336.31 and 61,400,612.69

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Solution

The fourth proportional to 107,806,040.81, 148,772,336.31 and 61,400,612.69 is: 84,732,845.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,806,040.81 : 148,772,336.31 = 61,400,612.69 : x
  2. Step 2: Convert to fraction form
    107,806,040.81/148,772,336.31 = 61,400,612.69/x
  3. Step 3: Cross multiply
    107,806,040.81x = 148,772,336.31 × 61,400,612.69
  4. Step 4: Simplify right side
    107,806,040.81x = 9,134,712,600,012,872
  5. Step 5: Solve for x
    x = 9,134,712,600,012,872/107,806,040.81
  6. Step 6: Final answer
    x = 84,732,845.50

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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.