Home / 74,890,886.40-112,210,358.40-64,057,363.20

Finding the Fourth Proportional to 74,890,886.40, 112,210,358.40 and 64,057,363.20

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Solution

The fourth proportional to 74,890,886.40, 112,210,358.40 and 64,057,363.20 is: 95,978,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,890,886.40 : 112,210,358.40 = 64,057,363.20 : x
  2. Step 2: Convert to fraction form
    74,890,886.40/112,210,358.40 = 64,057,363.20/x
  3. Step 3: Cross multiply
    74,890,886.40x = 112,210,358.40 × 64,057,363.20
  4. Step 4: Simplify right side
    74,890,886.40x = 7,187,899,682,830,972
  5. Step 5: Solve for x
    x = 7,187,899,682,830,972/74,890,886.40
  6. Step 6: Final answer
    x = 95,978,296.27

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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.