Home / 55,602,187.20-83,403,280.80-45,965,390.40

Finding the Fourth Proportional to 55,602,187.20, 83,403,280.80 and 45,965,390.40

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Solution

The fourth proportional to 55,602,187.20, 83,403,280.80 and 45,965,390.40 is: 68,948,085.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,602,187.20 : 83,403,280.80 = 45,965,390.40 : x
  2. Step 2: Convert to fraction form
    55,602,187.20/83,403,280.80 = 45,965,390.40/x
  3. Step 3: Cross multiply
    55,602,187.20x = 83,403,280.80 × 45,965,390.40
  4. Step 4: Simplify right side
    55,602,187.20x = 3,833,664,362,612,824
  5. Step 5: Solve for x
    x = 3,833,664,362,612,824/55,602,187.20
  6. Step 6: Final answer
    x = 68,948,085.60

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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.