Home / 103,448,011.40-155,172,017.10-84,953,864.60

Finding the Fourth Proportional to 103,448,011.40, 155,172,017.10 and 84,953,864.60

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Solution

The fourth proportional to 103,448,011.40, 155,172,017.10 and 84,953,864.60 is: 127,430,796.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,448,011.40 : 155,172,017.10 = 84,953,864.60 : x
  2. Step 2: Convert to fraction form
    103,448,011.40/155,172,017.10 = 84,953,864.60/x
  3. Step 3: Cross multiply
    103,448,011.40x = 155,172,017.10 × 84,953,864.60
  4. Step 4: Simplify right side
    103,448,011.40x = 13,182,462,530,422,284
  5. Step 5: Solve for x
    x = 13,182,462,530,422,284/103,448,011.40
  6. Step 6: Final answer
    x = 127,430,796.90

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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.