Home / 313,619,794.90-432,849,488.91-181,533,619.87

Finding the Fourth Proportional to 313,619,794.90, 432,849,488.91 and 181,533,619.87

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Solution

The fourth proportional to 313,619,794.90, 432,849,488.91 and 181,533,619.87 is: 250,547,751.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,619,794.90 : 432,849,488.91 = 181,533,619.87 : x
  2. Step 2: Convert to fraction form
    313,619,794.90/432,849,488.91 = 181,533,619.87/x
  3. Step 3: Cross multiply
    313,619,794.90x = 432,849,488.91 × 181,533,619.87
  4. Step 4: Simplify right side
    313,619,794.90x = 78,576,734,580,711,728
  5. Step 5: Solve for x
    x = 78,576,734,580,711,728/313,619,794.90
  6. Step 6: Final answer
    x = 250,547,751.95

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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.