Home / 46,890,945.36-70,251,386.40-45,870,578.64

Finding the Fourth Proportional to 46,890,945.36, 70,251,386.40 and 45,870,578.64

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Solution

The fourth proportional to 46,890,945.36, 70,251,386.40 and 45,870,578.64 is: 68,722,686.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,890,945.36 : 70,251,386.40 = 45,870,578.64 : x
  2. Step 2: Convert to fraction form
    46,890,945.36/70,251,386.40 = 45,870,578.64/x
  3. Step 3: Cross multiply
    46,890,945.36x = 70,251,386.40 × 45,870,578.64
  4. Step 4: Simplify right side
    46,890,945.36x = 3,222,471,744,430,227
  5. Step 5: Solve for x
    x = 3,222,471,744,430,227/46,890,945.36
  6. Step 6: Final answer
    x = 68,722,686.64

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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.