Home / 64,320,405.57-96,484,807.42-47,100,142.53

Finding the Fourth Proportional to 64,320,405.57, 96,484,807.42 and 47,100,142.53

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Solution

The fourth proportional to 64,320,405.57, 96,484,807.42 and 47,100,142.53 is: 70,653,288.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,320,405.57 : 96,484,807.42 = 47,100,142.53 : x
  2. Step 2: Convert to fraction form
    64,320,405.57/96,484,807.42 = 47,100,142.53/x
  3. Step 3: Cross multiply
    64,320,405.57x = 96,484,807.42 × 47,100,142.53
  4. Step 4: Simplify right side
    64,320,405.57x = 4,544,448,181,343,852
  5. Step 5: Solve for x
    x = 4,544,448,181,343,852/64,320,405.57
  6. Step 6: Final answer
    x = 70,653,288.66

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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.