Home / 119,319,567.38-164,567,719.85-77,517,101.35

Finding the Fourth Proportional to 119,319,567.38, 164,567,719.85 and 77,517,101.35

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Solution

The fourth proportional to 119,319,567.38, 164,567,719.85 and 77,517,101.35 is: 106,912,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,319,567.38 : 164,567,719.85 = 77,517,101.35 : x
  2. Step 2: Convert to fraction form
    119,319,567.38/164,567,719.85 = 77,517,101.35/x
  3. Step 3: Cross multiply
    119,319,567.38x = 164,567,719.85 × 77,517,101.35
  4. Step 4: Simplify right side
    119,319,567.38x = 12,756,812,618,368,980
  5. Step 5: Solve for x
    x = 12,756,812,618,368,980/119,319,567.38
  6. Step 6: Final answer
    x = 106,912,997.58

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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.