Home / 143,857,025.10-215,785,537.65-103,042,356.30

Finding the Fourth Proportional to 143,857,025.10, 215,785,537.65 and 103,042,356.30

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Solution

The fourth proportional to 143,857,025.10, 215,785,537.65 and 103,042,356.30 is: 154,563,534.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,857,025.10 : 215,785,537.65 = 103,042,356.30 : x
  2. Step 2: Convert to fraction form
    143,857,025.10/215,785,537.65 = 103,042,356.30/x
  3. Step 3: Cross multiply
    143,857,025.10x = 215,785,537.65 × 103,042,356.30
  4. Step 4: Simplify right side
    143,857,025.10x = 22,235,050,254,918,364
  5. Step 5: Solve for x
    x = 22,235,050,254,918,364/143,857,025.10
  6. Step 6: Final answer
    x = 154,563,534.45

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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.