Home / 158,265,294.63-218,407,389.18-87,702,083.67

Finding the Fourth Proportional to 158,265,294.63, 218,407,389.18 and 87,702,083.67

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Solution

The fourth proportional to 158,265,294.63, 218,407,389.18 and 87,702,083.67 is: 121,029,586.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,265,294.63 : 218,407,389.18 = 87,702,083.67 : x
  2. Step 2: Convert to fraction form
    158,265,294.63/218,407,389.18 = 87,702,083.67/x
  3. Step 3: Cross multiply
    158,265,294.63x = 218,407,389.18 × 87,702,083.67
  4. Step 4: Simplify right side
    158,265,294.63x = 19,154,783,120,010,612
  5. Step 5: Solve for x
    x = 19,154,783,120,010,612/158,265,294.63
  6. Step 6: Final answer
    x = 121,029,586.21

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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.