Home / 55,565,957.03-76,680,024.71-30,785,645.39

Finding the Fourth Proportional to 55,565,957.03, 76,680,024.71 and 30,785,645.39

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Solution

The fourth proportional to 55,565,957.03, 76,680,024.71 and 30,785,645.39 is: 42,483,638.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565,957.03 : 76,680,024.71 = 30,785,645.39 : x
  2. Step 2: Convert to fraction form
    55,565,957.03/76,680,024.71 = 30,785,645.39/x
  3. Step 3: Cross multiply
    55,565,957.03x = 76,680,024.71 × 30,785,645.39
  4. Step 4: Simplify right side
    55,565,957.03x = 2,360,644,048,681,169.50
  5. Step 5: Solve for x
    x = 2,360,644,048,681,169.50/55,565,957.03
  6. Step 6: Final answer
    x = 42,483,638.82

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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.