Home / 165,658,547.70-248,487,821.55-164,650,778.10

Finding the Fourth Proportional to 165,658,547.70, 248,487,821.55 and 164,650,778.10

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Solution

The fourth proportional to 165,658,547.70, 248,487,821.55 and 164,650,778.10 is: 246,976,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,658,547.70 : 248,487,821.55 = 164,650,778.10 : x
  2. Step 2: Convert to fraction form
    165,658,547.70/248,487,821.55 = 164,650,778.10/x
  3. Step 3: Cross multiply
    165,658,547.70x = 248,487,821.55 × 164,650,778.10
  4. Step 4: Simplify right side
    165,658,547.70x = 40,913,713,166,581,448
  5. Step 5: Solve for x
    x = 40,913,713,166,581,448/165,658,547.70
  6. Step 6: Final answer
    x = 246,976,167.15

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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.