Home / 67,398,372.72-93,009,648.12-36,458,446.32

Finding the Fourth Proportional to 67,398,372.72, 93,009,648.12 and 36,458,446.32

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Solution

The fourth proportional to 67,398,372.72, 93,009,648.12 and 36,458,446.32 is: 50,312,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,398,372.72 : 93,009,648.12 = 36,458,446.32 : x
  2. Step 2: Convert to fraction form
    67,398,372.72/93,009,648.12 = 36,458,446.32/x
  3. Step 3: Cross multiply
    67,398,372.72x = 93,009,648.12 × 36,458,446.32
  4. Step 4: Simplify right side
    67,398,372.72x = 3,390,987,263,225,109
  5. Step 5: Solve for x
    x = 3,390,987,263,225,109/67,398,372.72
  6. Step 6: Final answer
    x = 50,312,598.46

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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.