Home / 86,782,904.40-130,170,209.40-29,269,534.80

Finding the Fourth Proportional to 86,782,904.40, 130,170,209.40 and 29,269,534.80

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Solution

The fourth proportional to 86,782,904.40, 130,170,209.40 and 29,269,534.80 is: 43,902,903.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,782,904.40 : 130,170,209.40 = 29,269,534.80 : x
  2. Step 2: Convert to fraction form
    86,782,904.40/130,170,209.40 = 29,269,534.80/x
  3. Step 3: Cross multiply
    86,782,904.40x = 130,170,209.40 × 29,269,534.80
  4. Step 4: Simplify right side
    86,782,904.40x = 3,810,021,473,956,587.50
  5. Step 5: Solve for x
    x = 3,810,021,473,956,587.50/86,782,904.40
  6. Step 6: Final answer
    x = 43,902,903.46

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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.