Home / 74,622,639.15-111,827,670.53-55,039,038.30

Finding the Fourth Proportional to 74,622,639.15, 111,827,670.53 and 55,039,038.30

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Solution

The fourth proportional to 74,622,639.15, 111,827,670.53 and 55,039,038.30 is: 82,480,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,622,639.15 : 111,827,670.53 = 55,039,038.30 : x
  2. Step 2: Convert to fraction form
    74,622,639.15/111,827,670.53 = 55,039,038.30/x
  3. Step 3: Cross multiply
    74,622,639.15x = 111,827,670.53 × 55,039,038.30
  4. Step 4: Simplify right side
    74,622,639.15x = 6,154,887,441,025,256
  5. Step 5: Solve for x
    x = 6,154,887,441,025,256/74,622,639.15
  6. Step 6: Final answer
    x = 82,480,163.01

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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.