Home / 42,111,125.12-63,185,918.40-22,913,091.20

Finding the Fourth Proportional to 42,111,125.12, 63,185,918.40 and 22,913,091.20

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Solution

The fourth proportional to 42,111,125.12, 63,185,918.40 and 22,913,091.20 is: 34,380,100.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,111,125.12 : 63,185,918.40 = 22,913,091.20 : x
  2. Step 2: Convert to fraction form
    42,111,125.12/63,185,918.40 = 22,913,091.20/x
  3. Step 3: Cross multiply
    42,111,125.12x = 63,185,918.40 × 22,913,091.20
  4. Step 4: Simplify right side
    42,111,125.12x = 1,447,784,710,854,958
  5. Step 5: Solve for x
    x = 1,447,784,710,854,958/42,111,125.12
  6. Step 6: Final answer
    x = 34,380,100.43

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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.