Home / 173,480,008.61-239,400,179.79-99,139,716.48

Finding the Fourth Proportional to 173,480,008.61, 239,400,179.79 and 99,139,716.48

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Solution

The fourth proportional to 173,480,008.61, 239,400,179.79 and 99,139,716.48 is: 136,811,533.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,480,008.61 : 239,400,179.79 = 99,139,716.48 : x
  2. Step 2: Convert to fraction form
    173,480,008.61/239,400,179.79 = 99,139,716.48/x
  3. Step 3: Cross multiply
    173,480,008.61x = 239,400,179.79 × 99,139,716.48
  4. Step 4: Simplify right side
    173,480,008.61x = 23,734,065,949,641,628
  5. Step 5: Solve for x
    x = 23,734,065,949,641,628/173,480,008.61
  6. Step 6: Final answer
    x = 136,811,533.15

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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.