Home / 140,703,802.69-194,171,266.12-77,983,949.87

Finding the Fourth Proportional to 140,703,802.69, 194,171,266.12 and 77,983,949.87

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Solution

The fourth proportional to 140,703,802.69, 194,171,266.12 and 77,983,949.87 is: 107,617,861.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,802.69 : 194,171,266.12 = 77,983,949.87 : x
  2. Step 2: Convert to fraction form
    140,703,802.69/194,171,266.12 = 77,983,949.87/x
  3. Step 3: Cross multiply
    140,703,802.69x = 194,171,266.12 × 77,983,949.87
  4. Step 4: Simplify right side
    140,703,802.69x = 15,142,242,281,935,734
  5. Step 5: Solve for x
    x = 15,142,242,281,935,734/140,703,802.69
  6. Step 6: Final answer
    x = 107,617,861.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.