Home / 109,665,867.63-151,407,708.80-70,575,578.67

Finding the Fourth Proportional to 109,665,867.63, 151,407,708.80 and 70,575,578.67

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Solution

The fourth proportional to 109,665,867.63, 151,407,708.80 and 70,575,578.67 is: 97,438,582.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,665,867.63 : 151,407,708.80 = 70,575,578.67 : x
  2. Step 2: Convert to fraction form
    109,665,867.63/151,407,708.80 = 70,575,578.67/x
  3. Step 3: Cross multiply
    109,665,867.63x = 151,407,708.80 × 70,575,578.67
  4. Step 4: Simplify right side
    109,665,867.63x = 10,685,686,663,305,972
  5. Step 5: Solve for x
    x = 10,685,686,663,305,972/109,665,867.63
  6. Step 6: Final answer
    x = 97,438,582.25

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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.