Home / 140,703,803.69-194,171,267.50-77,983,950.87

Finding the Fourth Proportional to 140,703,803.69, 194,171,267.50 and 77,983,950.87

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Solution

The fourth proportional to 140,703,803.69, 194,171,267.50 and 77,983,950.87 is: 107,617,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703,803.69 : 194,171,267.50 = 77,983,950.87 : x
  2. Step 2: Convert to fraction form
    140,703,803.69/194,171,267.50 = 77,983,950.87/x
  3. Step 3: Cross multiply
    140,703,803.69x = 194,171,267.50 × 77,983,950.87
  4. Step 4: Simplify right side
    140,703,803.69x = 15,142,242,585,085,628
  5. Step 5: Solve for x
    x = 15,142,242,585,085,628/140,703,803.69
  6. Step 6: Final answer
    x = 107,617,862.40

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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.