Home / 98,505,754.47-135,931,463.38-56,683,069.56

Finding the Fourth Proportional to 98,505,754.47, 135,931,463.38 and 56,683,069.56

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Solution

The fourth proportional to 98,505,754.47, 135,931,463.38 and 56,683,069.56 is: 78,218,908.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,505,754.47 : 135,931,463.38 = 56,683,069.56 : x
  2. Step 2: Convert to fraction form
    98,505,754.47/135,931,463.38 = 56,683,069.56/x
  3. Step 3: Cross multiply
    98,505,754.47x = 135,931,463.38 × 56,683,069.56
  4. Step 4: Simplify right side
    98,505,754.47x = 7,705,012,594,161,133
  5. Step 5: Solve for x
    x = 7,705,012,594,161,133/98,505,754.47
  6. Step 6: Final answer
    x = 78,218,908.49

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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.