Home / 73,986,519.60-110,979,779.40-70,963,210.80

Finding the Fourth Proportional to 73,986,519.60, 110,979,779.40 and 70,963,210.80

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Solution

The fourth proportional to 73,986,519.60, 110,979,779.40 and 70,963,210.80 is: 106,444,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,986,519.60 : 110,979,779.40 = 70,963,210.80 : x
  2. Step 2: Convert to fraction form
    73,986,519.60/110,979,779.40 = 70,963,210.80/x
  3. Step 3: Cross multiply
    73,986,519.60x = 110,979,779.40 × 70,963,210.80
  4. Step 4: Simplify right side
    73,986,519.60x = 7,875,481,480,099,698
  5. Step 5: Solve for x
    x = 7,875,481,480,099,698/73,986,519.60
  6. Step 6: Final answer
    x = 106,444,816.20

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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.