Home / 86,227,632.40-129,341,448.60-52,131,427.60

Finding the Fourth Proportional to 86,227,632.40, 129,341,448.60 and 52,131,427.60

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Solution

The fourth proportional to 86,227,632.40, 129,341,448.60 and 52,131,427.60 is: 78,197,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,227,632.40 : 129,341,448.60 = 52,131,427.60 : x
  2. Step 2: Convert to fraction form
    86,227,632.40/129,341,448.60 = 52,131,427.60/x
  3. Step 3: Cross multiply
    86,227,632.40x = 129,341,448.60 × 52,131,427.60
  4. Step 4: Simplify right side
    86,227,632.40x = 6,742,754,363,370,021
  5. Step 5: Solve for x
    x = 6,742,754,363,370,021/86,227,632.40
  6. Step 6: Final answer
    x = 78,197,141.40

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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.