Home / 152,070,767.23-209,861,785.22-86,001,145.49

Finding the Fourth Proportional to 152,070,767.23, 209,861,785.22 and 86,001,145.49

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Solution

The fourth proportional to 152,070,767.23, 209,861,785.22 and 86,001,145.49 is: 118,683,914.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070,767.23 : 209,861,785.22 = 86,001,145.49 : x
  2. Step 2: Convert to fraction form
    152,070,767.23/209,861,785.22 = 86,001,145.49/x
  3. Step 3: Cross multiply
    152,070,767.23x = 209,861,785.22 × 86,001,145.49
  4. Step 4: Simplify right side
    152,070,767.23x = 18,048,353,923,496,352
  5. Step 5: Solve for x
    x = 18,048,353,923,496,352/152,070,767.23
  6. Step 6: Final answer
    x = 118,683,914.42

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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.