Home / 70,133,858.88-96,776,343.12-38,767,670.76

Finding the Fourth Proportional to 70,133,858.88, 96,776,343.12 and 38,767,670.76

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Solution

The fourth proportional to 70,133,858.88, 96,776,343.12 and 38,767,670.76 is: 53,494,752.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,133,858.88 : 96,776,343.12 = 38,767,670.76 : x
  2. Step 2: Convert to fraction form
    70,133,858.88/96,776,343.12 = 38,767,670.76/x
  3. Step 3: Cross multiply
    70,133,858.88x = 96,776,343.12 × 38,767,670.76
  4. Step 4: Simplify right side
    70,133,858.88x = 3,751,793,407,432,951
  5. Step 5: Solve for x
    x = 3,751,793,407,432,951/70,133,858.88
  6. Step 6: Final answer
    x = 53,494,752.28

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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.