Home / 48,387,230.80-72,496,865.40-31,339,128.40

Finding the Fourth Proportional to 48,387,230.80, 72,496,865.40 and 31,339,128.40

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Solution

The fourth proportional to 48,387,230.80, 72,496,865.40 and 31,339,128.40 is: 46,954,300.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,387,230.80 : 72,496,865.40 = 31,339,128.40 : x
  2. Step 2: Convert to fraction form
    48,387,230.80/72,496,865.40 = 31,339,128.40/x
  3. Step 3: Cross multiply
    48,387,230.80x = 72,496,865.40 × 31,339,128.40
  4. Step 4: Simplify right side
    48,387,230.80x = 2,271,988,573,368,117.50
  5. Step 5: Solve for x
    x = 2,271,988,573,368,117.50/48,387,230.80
  6. Step 6: Final answer
    x = 46,954,300.46

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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.