Home / 199,604,239.80-299,406,359.70-141,491,166.45

Finding the Fourth Proportional to 199,604,239.80, 299,406,359.70 and 141,491,166.45

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Solution

The fourth proportional to 199,604,239.80, 299,406,359.70 and 141,491,166.45 is: 212,236,749.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,604,239.80 : 299,406,359.70 = 141,491,166.45 : x
  2. Step 2: Convert to fraction form
    199,604,239.80/299,406,359.70 = 141,491,166.45/x
  3. Step 3: Cross multiply
    199,604,239.80x = 299,406,359.70 × 141,491,166.45
  4. Step 4: Simplify right side
    199,604,239.80x = 42,363,355,076,501,264
  5. Step 5: Solve for x
    x = 42,363,355,076,501,264/199,604,239.80
  6. Step 6: Final answer
    x = 212,236,749.68

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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.