Home / 306,683,891.04-423,221,649.12-167,454,572.16

Finding the Fourth Proportional to 306,683,891.04, 423,221,649.12 and 167,454,572.16

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Solution

The fourth proportional to 306,683,891.04, 423,221,649.12 and 167,454,572.16 is: 231,086,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,683,891.04 : 423,221,649.12 = 167,454,572.16 : x
  2. Step 2: Convert to fraction form
    306,683,891.04/423,221,649.12 = 167,454,572.16/x
  3. Step 3: Cross multiply
    306,683,891.04x = 423,221,649.12 × 167,454,572.16
  4. Step 4: Simplify right side
    306,683,891.04x = 70,870,400,182,239,240
  5. Step 5: Solve for x
    x = 70,870,400,182,239,240/306,683,891.04
  6. Step 6: Final answer
    x = 231,086,151.74

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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.