Home / 134,039,436.02-184,989,399.72-81,145,287.56

Finding the Fourth Proportional to 134,039,436.02, 184,989,399.72 and 81,145,287.56

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Solution

The fourth proportional to 134,039,436.02, 184,989,399.72 and 81,145,287.56 is: 111,989,564.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,039,436.02 : 184,989,399.72 = 81,145,287.56 : x
  2. Step 2: Convert to fraction form
    134,039,436.02/184,989,399.72 = 81,145,287.56/x
  3. Step 3: Cross multiply
    134,039,436.02x = 184,989,399.72 × 81,145,287.56
  4. Step 4: Simplify right side
    134,039,436.02x = 15,011,018,035,831,184
  5. Step 5: Solve for x
    x = 15,011,018,035,831,184/134,039,436.02
  6. Step 6: Final answer
    x = 111,989,564.28

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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.