Home / 55,588,917.04-76,712,712.92-30,810,701.88

Finding the Fourth Proportional to 55,588,917.04, 76,712,712.92 and 30,810,701.88

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Solution

The fourth proportional to 55,588,917.04, 76,712,712.92 and 30,810,701.88 is: 42,518,772.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588,917.04 : 76,712,712.92 = 30,810,701.88 : x
  2. Step 2: Convert to fraction form
    55,588,917.04/76,712,712.92 = 30,810,701.88/x
  3. Step 3: Cross multiply
    55,588,917.04x = 76,712,712.92 × 30,810,701.88
  4. Step 4: Simplify right side
    55,588,917.04x = 2,363,572,528,184,144.50
  5. Step 5: Solve for x
    x = 2,363,572,528,184,144.50/55,588,917.04
  6. Step 6: Final answer
    x = 42,518,772.70

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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.