Home / 290,257,079.40-435,385,619.10-181,417,962.60

Finding the Fourth Proportional to 290,257,079.40, 435,385,619.10 and 181,417,962.60

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Solution

The fourth proportional to 290,257,079.40, 435,385,619.10 and 181,417,962.60 is: 272,126,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,257,079.40 : 435,385,619.10 = 181,417,962.60 : x
  2. Step 2: Convert to fraction form
    290,257,079.40/435,385,619.10 = 181,417,962.60/x
  3. Step 3: Cross multiply
    290,257,079.40x = 435,385,619.10 × 181,417,962.60
  4. Step 4: Simplify right side
    290,257,079.40x = 78,986,771,962,461,648
  5. Step 5: Solve for x
    x = 78,986,771,962,461,648/290,257,079.40
  6. Step 6: Final answer
    x = 272,126,943.90

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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.