Home / 152,070,765.24-209,861,782.48-86,001,143.50

Finding the Fourth Proportional to 152,070,765.24, 209,861,782.48 and 86,001,143.50

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Solution

The fourth proportional to 152,070,765.24, 209,861,782.48 and 86,001,143.50 is: 118,683,911.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070,765.24 : 209,861,782.48 = 86,001,143.50 : x
  2. Step 2: Convert to fraction form
    152,070,765.24/209,861,782.48 = 86,001,143.50/x
  3. Step 3: Cross multiply
    152,070,765.24x = 209,861,782.48 × 86,001,143.50
  4. Step 4: Simplify right side
    152,070,765.24x = 18,048,353,270,013,264
  5. Step 5: Solve for x
    x = 18,048,353,270,013,264/152,070,765.24
  6. Step 6: Final answer
    x = 118,683,911.67

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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.