Home / 74,928,020.20-112,336,043.10-40,887,802.60

Finding the Fourth Proportional to 74,928,020.20, 112,336,043.10 and 40,887,802.60

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Solution

The fourth proportional to 74,928,020.20, 112,336,043.10 and 40,887,802.60 is: 61,301,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928,020.20 : 112,336,043.10 = 40,887,802.60 : x
  2. Step 2: Convert to fraction form
    74,928,020.20/112,336,043.10 = 40,887,802.60/x
  3. Step 3: Cross multiply
    74,928,020.20x = 112,336,043.10 × 40,887,802.60
  4. Step 4: Simplify right side
    74,928,020.20x = 4,593,173,955,137,892
  5. Step 5: Solve for x
    x = 4,593,173,955,137,892/74,928,020.20
  6. Step 6: Final answer
    x = 61,301,152.00

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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.