Home / 145,487,246.40-218,262,362.40-43,261,617.60

Finding the Fourth Proportional to 145,487,246.40, 218,262,362.40 and 43,261,617.60

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Solution

The fourth proportional to 145,487,246.40, 218,262,362.40 and 43,261,617.60 is: 64,901,791.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,487,246.40 : 218,262,362.40 = 43,261,617.60 : x
  2. Step 2: Convert to fraction form
    145,487,246.40/218,262,362.40 = 43,261,617.60/x
  3. Step 3: Cross multiply
    145,487,246.40x = 218,262,362.40 × 43,261,617.60
  4. Step 4: Simplify right side
    145,487,246.40x = 9,442,382,858,621,418
  5. Step 5: Solve for x
    x = 9,442,382,858,621,418/145,487,246.40
  6. Step 6: Final answer
    x = 64,901,791.00

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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.