Home / 51,878,091.79-71,592,047-28,356,660.91

Finding the Fourth Proportional to 51,878,091.79, 71,592,047 and 28,356,660.91

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Solution

The fourth proportional to 51,878,091.79, 71,592,047 and 28,356,660.91 is: 39,132,345.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878,091.79 : 71,592,047 = 28,356,660.91 : x
  2. Step 2: Convert to fraction form
    51,878,091.79/71,592,047 = 28,356,660.91/x
  3. Step 3: Cross multiply
    51,878,091.79x = 71,592,047 × 28,356,660.91
  4. Step 4: Simplify right side
    51,878,091.79x = 2,030,111,400,631,782.75
  5. Step 5: Solve for x
    x = 2,030,111,400,631,782.75/51,878,091.79
  6. Step 6: Final answer
    x = 39,132,345.28

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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.