Home / 179,280,785.15-247,407,995.93-103,941,754.36

Finding the Fourth Proportional to 179,280,785.15, 247,407,995.93 and 103,941,754.36

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Solution

The fourth proportional to 179,280,785.15, 247,407,995.93 and 103,941,754.36 is: 143,439,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,280,785.15 : 247,407,995.93 = 103,941,754.36 : x
  2. Step 2: Convert to fraction form
    179,280,785.15/247,407,995.93 = 103,941,754.36/x
  3. Step 3: Cross multiply
    179,280,785.15x = 247,407,995.93 × 103,941,754.36
  4. Step 4: Simplify right side
    179,280,785.15x = 25,716,021,138,517,712
  5. Step 5: Solve for x
    x = 25,716,021,138,517,712/179,280,785.15
  6. Step 6: Final answer
    x = 143,439,918.10

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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.