Home / 53,980,870.40-80,971,305.60-48,774,060.80

Finding the Fourth Proportional to 53,980,870.40, 80,971,305.60 and 48,774,060.80

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Solution

The fourth proportional to 53,980,870.40, 80,971,305.60 and 48,774,060.80 is: 73,161,091.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980,870.40 : 80,971,305.60 = 48,774,060.80 : x
  2. Step 2: Convert to fraction form
    53,980,870.40/80,971,305.60 = 48,774,060.80/x
  3. Step 3: Cross multiply
    53,980,870.40x = 80,971,305.60 × 48,774,060.80
  4. Step 4: Simplify right side
    53,980,870.40x = 3,949,299,382,389,780
  5. Step 5: Solve for x
    x = 3,949,299,382,389,780/53,980,870.40
  6. Step 6: Final answer
    x = 73,161,091.20

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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.