Home / 53,121,287.10-79,681,930.65-48,586,323.90

Finding the Fourth Proportional to 53,121,287.10, 79,681,930.65 and 48,586,323.90

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Solution

The fourth proportional to 53,121,287.10, 79,681,930.65 and 48,586,323.90 is: 72,879,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,121,287.10 : 79,681,930.65 = 48,586,323.90 : x
  2. Step 2: Convert to fraction form
    53,121,287.10/79,681,930.65 = 48,586,323.90/x
  3. Step 3: Cross multiply
    53,121,287.10x = 79,681,930.65 × 48,586,323.90
  4. Step 4: Simplify right side
    53,121,287.10x = 3,871,452,091,538,237.50
  5. Step 5: Solve for x
    x = 3,871,452,091,538,237.50/53,121,287.10
  6. Step 6: Final answer
    x = 72,879,485.85

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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.