Home / 76,909,068.12-106,134,506.10-41,626,867.08

Finding the Fourth Proportional to 76,909,068.12, 106,134,506.10 and 41,626,867.08

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Solution

The fourth proportional to 76,909,068.12, 106,134,506.10 and 41,626,867.08 is: 57,445,072.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,909,068.12 : 106,134,506.10 = 41,626,867.08 : x
  2. Step 2: Convert to fraction form
    76,909,068.12/106,134,506.10 = 41,626,867.08/x
  3. Step 3: Cross multiply
    76,909,068.12x = 106,134,506.10 × 41,626,867.08
  4. Step 4: Simplify right side
    76,909,068.12x = 4,418,046,978,026,149
  5. Step 5: Solve for x
    x = 4,418,046,978,026,149/76,909,068.12
  6. Step 6: Final answer
    x = 57,445,072.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.