Home / 55,366,106.40-83,024,276.40-21,276,122.40

Finding the Fourth Proportional to 55,366,106.40, 83,024,276.40 and 21,276,122.40

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Solution

The fourth proportional to 55,366,106.40, 83,024,276.40 and 21,276,122.40 is: 31,904,621.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,366,106.40 : 83,024,276.40 = 21,276,122.40 : x
  2. Step 2: Convert to fraction form
    55,366,106.40/83,024,276.40 = 21,276,122.40/x
  3. Step 3: Cross multiply
    55,366,106.40x = 83,024,276.40 × 21,276,122.40
  4. Step 4: Simplify right side
    55,366,106.40x = 1,766,434,666,857,831.25
  5. Step 5: Solve for x
    x = 1,766,434,666,857,831.25/55,366,106.40
  6. Step 6: Final answer
    x = 31,904,621.47

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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.