Home / 70,538,164.69-105,780,288.53-23,203,681.51

Finding the Fourth Proportional to 70,538,164.69, 105,780,288.53 and 23,203,681.51

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Solution

The fourth proportional to 70,538,164.69, 105,780,288.53 and 23,203,681.51 is: 34,796,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,538,164.69 : 105,780,288.53 = 23,203,681.51 : x
  2. Step 2: Convert to fraction form
    70,538,164.69/105,780,288.53 = 23,203,681.51/x
  3. Step 3: Cross multiply
    70,538,164.69x = 105,780,288.53 × 23,203,681.51
  4. Step 4: Simplify right side
    70,538,164.69x = 2,454,492,125,086,026.50
  5. Step 5: Solve for x
    x = 2,454,492,125,086,026.50/70,538,164.69
  6. Step 6: Final answer
    x = 34,796,654.21

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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.