Home / 45,249,979.32-67,875,600.96-12,901,894.56

Finding the Fourth Proportional to 45,249,979.32, 67,875,600.96 and 12,901,894.56

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Solution

The fourth proportional to 45,249,979.32, 67,875,600.96 and 12,901,894.56 is: 19,353,022.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249,979.32 : 67,875,600.96 = 12,901,894.56 : x
  2. Step 2: Convert to fraction form
    45,249,979.32/67,875,600.96 = 12,901,894.56/x
  3. Step 3: Cross multiply
    45,249,979.32x = 67,875,600.96 × 12,901,894.56
  4. Step 4: Simplify right side
    45,249,979.32x = 875,723,846,782,554.75
  5. Step 5: Solve for x
    x = 875,723,846,782,554.75/45,249,979.32
  6. Step 6: Final answer
    x = 19,353,022.03

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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.