Home / 146,464,426.52-202,130,356.44-81,274,330.52

Finding the Fourth Proportional to 146,464,426.52, 202,130,356.44 and 81,274,330.52

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Solution

The fourth proportional to 146,464,426.52, 202,130,356.44 and 81,274,330.52 is: 112,163,818.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,464,426.52 : 202,130,356.44 = 81,274,330.52 : x
  2. Step 2: Convert to fraction form
    146,464,426.52/202,130,356.44 = 81,274,330.52/x
  3. Step 3: Cross multiply
    146,464,426.52x = 202,130,356.44 × 81,274,330.52
  4. Step 4: Simplify right side
    146,464,426.52x = 16,428,009,397,429,970
  5. Step 5: Solve for x
    x = 16,428,009,397,429,970/146,464,426.52
  6. Step 6: Final answer
    x = 112,163,818.80

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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.