Home / 42,568,014.40-63,852,021.60-28,963,124.80

Finding the Fourth Proportional to 42,568,014.40, 63,852,021.60 and 28,963,124.80

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Solution

The fourth proportional to 42,568,014.40, 63,852,021.60 and 28,963,124.80 is: 43,444,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,568,014.40 : 63,852,021.60 = 28,963,124.80 : x
  2. Step 2: Convert to fraction form
    42,568,014.40/63,852,021.60 = 28,963,124.80/x
  3. Step 3: Cross multiply
    42,568,014.40x = 63,852,021.60 × 28,963,124.80
  4. Step 4: Simplify right side
    42,568,014.40x = 1,849,354,070,333,095.75
  5. Step 5: Solve for x
    x = 1,849,354,070,333,095.75/42,568,014.40
  6. Step 6: Final answer
    x = 43,444,687.20

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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.