Home / 64,665,765.48-89,225,434.90-37,158,379.32

Finding the Fourth Proportional to 64,665,765.48, 89,225,434.90 and 37,158,379.32

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Solution

The fourth proportional to 64,665,765.48, 89,225,434.90 and 37,158,379.32 is: 51,270,908.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,665,765.48 : 89,225,434.90 = 37,158,379.32 : x
  2. Step 2: Convert to fraction form
    64,665,765.48/89,225,434.90 = 37,158,379.32/x
  3. Step 3: Cross multiply
    64,665,765.48x = 89,225,434.90 × 37,158,379.32
  4. Step 4: Simplify right side
    64,665,765.48x = 3,315,472,555,006,166.50
  5. Step 5: Solve for x
    x = 3,315,472,555,006,166.50/64,665,765.48
  6. Step 6: Final answer
    x = 51,270,908.65

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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.