Home / 142,235,698.80-213,353,548.20-98,397,721.20

Finding the Fourth Proportional to 142,235,698.80, 213,353,548.20 and 98,397,721.20

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Solution

The fourth proportional to 142,235,698.80, 213,353,548.20 and 98,397,721.20 is: 147,596,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,235,698.80 : 213,353,548.20 = 98,397,721.20 : x
  2. Step 2: Convert to fraction form
    142,235,698.80/213,353,548.20 = 98,397,721.20/x
  3. Step 3: Cross multiply
    142,235,698.80x = 213,353,548.20 × 98,397,721.20
  4. Step 4: Simplify right side
    142,235,698.80x = 20,993,502,952,814,360
  5. Step 5: Solve for x
    x = 20,993,502,952,814,360/142,235,698.80
  6. Step 6: Final answer
    x = 147,596,581.80

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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.