Home / 131,111,999.40-196,667,999.10-70,645,823.40

Finding the Fourth Proportional to 131,111,999.40, 196,667,999.10 and 70,645,823.40

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Solution

The fourth proportional to 131,111,999.40, 196,667,999.10 and 70,645,823.40 is: 105,968,735.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,111,999.40 : 196,667,999.10 = 70,645,823.40 : x
  2. Step 2: Convert to fraction form
    131,111,999.40/196,667,999.10 = 70,645,823.40/x
  3. Step 3: Cross multiply
    131,111,999.40x = 196,667,999.10 × 70,645,823.40
  4. Step 4: Simplify right side
    131,111,999.40x = 13,893,772,732,849,960
  5. Step 5: Solve for x
    x = 13,893,772,732,849,960/131,111,999.40
  6. Step 6: Final answer
    x = 105,968,735.10

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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.