Home / 105,709,206.15-158,516,570.03-40,991,502.15

Finding the Fourth Proportional to 105,709,206.15, 158,516,570.03 and 40,991,502.15

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Solution

The fourth proportional to 105,709,206.15, 158,516,570.03 and 40,991,502.15 is: 61,468,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,709,206.15 : 158,516,570.03 = 40,991,502.15 : x
  2. Step 2: Convert to fraction form
    105,709,206.15/158,516,570.03 = 40,991,502.15/x
  3. Step 3: Cross multiply
    105,709,206.15x = 158,516,570.03 × 40,991,502.15
  4. Step 4: Simplify right side
    105,709,206.15x = 6,497,832,320,990,413
  5. Step 5: Solve for x
    x = 6,497,832,320,990,413/105,709,206.15
  6. Step 6: Final answer
    x = 61,468,934.99

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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.