Home / 67,398,370.72-93,009,645.36-36,458,444.32

Finding the Fourth Proportional to 67,398,370.72, 93,009,645.36 and 36,458,444.32

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Solution

The fourth proportional to 67,398,370.72, 93,009,645.36 and 36,458,444.32 is: 50,312,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,398,370.72 : 93,009,645.36 = 36,458,444.32 : x
  2. Step 2: Convert to fraction form
    67,398,370.72/93,009,645.36 = 36,458,444.32/x
  3. Step 3: Cross multiply
    67,398,370.72x = 93,009,645.36 × 36,458,444.32
  4. Step 4: Simplify right side
    67,398,370.72x = 3,390,986,976,580,506.50
  5. Step 5: Solve for x
    x = 3,390,986,976,580,506.50/67,398,370.72
  6. Step 6: Final answer
    x = 50,312,595.70

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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.