Home / 245,423,335.22-338,683,966.89-135,415,053.62

Finding the Fourth Proportional to 245,423,335.22, 338,683,966.89 and 135,415,053.62

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Solution

The fourth proportional to 245,423,335.22, 338,683,966.89 and 135,415,053.62 is: 186,872,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,423,335.22 : 338,683,966.89 = 135,415,053.62 : x
  2. Step 2: Convert to fraction form
    245,423,335.22/338,683,966.89 = 135,415,053.62/x
  3. Step 3: Cross multiply
    245,423,335.22x = 338,683,966.89 × 135,415,053.62
  4. Step 4: Simplify right side
    245,423,335.22x = 45,862,907,534,950,240
  5. Step 5: Solve for x
    x = 45,862,907,534,950,240/245,423,335.22
  6. Step 6: Final answer
    x = 186,872,643.93

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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.