Home / 50,842,616.02-70,161,332.90-28,818,142.74

Finding the Fourth Proportional to 50,842,616.02, 70,161,332.90 and 28,818,142.74

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Solution

The fourth proportional to 50,842,616.02, 70,161,332.90 and 28,818,142.74 is: 39,768,199.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,842,616.02 : 70,161,332.90 = 28,818,142.74 : x
  2. Step 2: Convert to fraction form
    50,842,616.02/70,161,332.90 = 28,818,142.74/x
  3. Step 3: Cross multiply
    50,842,616.02x = 70,161,332.90 × 28,818,142.74
  4. Step 4: Simplify right side
    50,842,616.02x = 2,021,919,306,196,767.25
  5. Step 5: Solve for x
    x = 2,021,919,306,196,767.25/50,842,616.02
  6. Step 6: Final answer
    x = 39,768,199.68

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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.