Home / 92,189,843.80-138,036,967.81-70,225,592.16

Finding the Fourth Proportional to 92,189,843.80, 138,036,967.81 and 70,225,592.16

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Solution

The fourth proportional to 92,189,843.80, 138,036,967.81 and 70,225,592.16 is: 105,149,628.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,189,843.80 : 138,036,967.81 = 70,225,592.16 : x
  2. Step 2: Convert to fraction form
    92,189,843.80/138,036,967.81 = 70,225,592.16/x
  3. Step 3: Cross multiply
    92,189,843.80x = 138,036,967.81 × 70,225,592.16
  4. Step 4: Simplify right side
    92,189,843.80x = 9,693,727,804,252,544
  5. Step 5: Solve for x
    x = 9,693,727,804,252,544/92,189,843.80
  6. Step 6: Final answer
    x = 105,149,628.26

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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.