Home / 86,973,061.50-120,019,765.50-47,814,554.34

Finding the Fourth Proportional to 86,973,061.50, 120,019,765.50 and 47,814,554.34

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Solution

The fourth proportional to 86,973,061.50, 120,019,765.50 and 47,814,554.34 is: 65,982,403.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,973,061.50 : 120,019,765.50 = 47,814,554.34 : x
  2. Step 2: Convert to fraction form
    86,973,061.50/120,019,765.50 = 47,814,554.34/x
  3. Step 3: Cross multiply
    86,973,061.50x = 120,019,765.50 × 47,814,554.34
  4. Step 4: Simplify right side
    86,973,061.50x = 5,738,691,599,373,808
  5. Step 5: Solve for x
    x = 5,738,691,599,373,808/86,973,061.50
  6. Step 6: Final answer
    x = 65,982,403.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.