Home / 102,151,230,936.48-140,965,871,202.72-56,424,686,807.52

Finding the Fourth Proportional to 102,151,230,936.48, 140,965,871,202.72 and 56,424,686,807.52

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Solution

The fourth proportional to 102,151,230,936.48, 140,965,871,202.72 and 56,424,686,807.52 is: 77,864,505,990.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,151,230,936.48 : 140,965,871,202.72 = 56,424,686,807.52 : x
  2. Step 2: Convert to fraction form
    102,151,230,936.48/140,965,871,202.72 = 56,424,686,807.52/x
  3. Step 3: Cross multiply
    102,151,230,936.48x = 140,965,871,202.72 × 56,424,686,807.52
  4. Step 4: Simplify right side
    102,151,230,936.48x = 7,953,955,133,162,677,862,400
  5. Step 5: Solve for x
    x = 7,953,955,133,162,677,862,400/102,151,230,936.48
  6. Step 6: Final answer
    x = 77,864,505,990.23

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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.