Home / 163,702,562.40-245,587,960.80-54,561,639.60

Finding the Fourth Proportional to 163,702,562.40, 245,587,960.80 and 54,561,639.60

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Solution

The fourth proportional to 163,702,562.40, 245,587,960.80 and 54,561,639.60 is: 81,853,830.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,702,562.40 : 245,587,960.80 = 54,561,639.60 : x
  2. Step 2: Convert to fraction form
    163,702,562.40/245,587,960.80 = 54,561,639.60/x
  3. Step 3: Cross multiply
    163,702,562.40x = 245,587,960.80 × 54,561,639.60
  4. Step 4: Simplify right side
    163,702,562.40x = 13,399,681,807,268,528
  5. Step 5: Solve for x
    x = 13,399,681,807,268,528/163,702,562.40
  6. Step 6: Final answer
    x = 81,853,830.57

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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.