Home / 53,901,118.80-80,851,678.20-19,815,411.60

Finding the Fourth Proportional to 53,901,118.80, 80,851,678.20 and 19,815,411.60

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Solution

The fourth proportional to 53,901,118.80, 80,851,678.20 and 19,815,411.60 is: 29,723,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,901,118.80 : 80,851,678.20 = 19,815,411.60 : x
  2. Step 2: Convert to fraction form
    53,901,118.80/80,851,678.20 = 19,815,411.60/x
  3. Step 3: Cross multiply
    53,901,118.80x = 80,851,678.20 × 19,815,411.60
  4. Step 4: Simplify right side
    53,901,118.80x = 1,602,109,282,083,747.25
  5. Step 5: Solve for x
    x = 1,602,109,282,083,747.25/53,901,118.80
  6. Step 6: Final answer
    x = 29,723,117.40

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1.5x scale

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.