Home / 210,975,281.80-316,462,922.70-142,100,528.20

Finding the Fourth Proportional to 210,975,281.80, 316,462,922.70 and 142,100,528.20

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Solution

The fourth proportional to 210,975,281.80, 316,462,922.70 and 142,100,528.20 is: 213,150,792.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,975,281.80 : 316,462,922.70 = 142,100,528.20 : x
  2. Step 2: Convert to fraction form
    210,975,281.80/316,462,922.70 = 142,100,528.20/x
  3. Step 3: Cross multiply
    210,975,281.80x = 316,462,922.70 × 142,100,528.20
  4. Step 4: Simplify right side
    210,975,281.80x = 44,969,548,471,385,768
  5. Step 5: Solve for x
    x = 44,969,548,471,385,768/210,975,281.80
  6. Step 6: Final answer
    x = 213,150,792.30

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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.