Home / 42,773,195.16-64,163,563.02-12,068,043.48

Finding the Fourth Proportional to 42,773,195.16, 64,163,563.02 and 12,068,043.48

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Solution

The fourth proportional to 42,773,195.16, 64,163,563.02 and 12,068,043.48 is: 18,103,128.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,773,195.16 : 64,163,563.02 = 12,068,043.48 : x
  2. Step 2: Convert to fraction form
    42,773,195.16/64,163,563.02 = 12,068,043.48/x
  3. Step 3: Cross multiply
    42,773,195.16x = 64,163,563.02 × 12,068,043.48
  4. Step 4: Simplify right side
    42,773,195.16x = 774,328,668,357,080.12
  5. Step 5: Solve for x
    x = 774,328,668,357,080.12/42,773,195.16
  6. Step 6: Final answer
    x = 18,103,128.97

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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.