Home / 127,989,015.02-191,992,035.63-44,980,728.16

Finding the Fourth Proportional to 127,989,015.02, 191,992,035.63 and 44,980,728.16

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Solution

The fourth proportional to 127,989,015.02, 191,992,035.63 and 44,980,728.16 is: 67,474,084.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,989,015.02 : 191,992,035.63 = 44,980,728.16 : x
  2. Step 2: Convert to fraction form
    127,989,015.02/191,992,035.63 = 44,980,728.16/x
  3. Step 3: Cross multiply
    127,989,015.02x = 191,992,035.63 × 44,980,728.16
  4. Step 4: Simplify right side
    127,989,015.02x = 8,635,941,562,516,421
  5. Step 5: Solve for x
    x = 8,635,941,562,516,421/127,989,015.02
  6. Step 6: Final answer
    x = 67,474,084.09

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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.