Home / 143,640,053.70-215,460,080.55-98,290,421.70

Finding the Fourth Proportional to 143,640,053.70, 215,460,080.55 and 98,290,421.70

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Solution

The fourth proportional to 143,640,053.70, 215,460,080.55 and 98,290,421.70 is: 147,435,632.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,640,053.70 : 215,460,080.55 = 98,290,421.70 : x
  2. Step 2: Convert to fraction form
    143,640,053.70/215,460,080.55 = 98,290,421.70/x
  3. Step 3: Cross multiply
    143,640,053.70x = 215,460,080.55 × 98,290,421.70
  4. Step 4: Simplify right side
    143,640,053.70x = 21,177,662,176,775,468
  5. Step 5: Solve for x
    x = 21,177,662,176,775,468/143,640,053.70
  6. Step 6: Final answer
    x = 147,435,632.55

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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.