Home / 65,407,178.62-98,111,139.36-16,881,715.20

Finding the Fourth Proportional to 65,407,178.62, 98,111,139.36 and 16,881,715.20

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Solution

The fourth proportional to 65,407,178.62, 98,111,139.36 and 16,881,715.20 is: 25,322,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,407,178.62 : 98,111,139.36 = 16,881,715.20 : x
  2. Step 2: Convert to fraction form
    65,407,178.62/98,111,139.36 = 16,881,715.20/x
  3. Step 3: Cross multiply
    65,407,178.62x = 98,111,139.36 × 16,881,715.20
  4. Step 4: Simplify right side
    65,407,178.62x = 1,656,284,312,623,030.25
  5. Step 5: Solve for x
    x = 1,656,284,312,623,030.25/65,407,178.62
  6. Step 6: Final answer
    x = 25,322,668.67

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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.