Home / 52,186,188.83-72,014,967.56-28,982,810.45

Finding the Fourth Proportional to 52,186,188.83, 72,014,967.56 and 28,982,810.45

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Solution

The fourth proportional to 52,186,188.83, 72,014,967.56 and 28,982,810.45 is: 39,995,182.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,186,188.83 : 72,014,967.56 = 28,982,810.45 : x
  2. Step 2: Convert to fraction form
    52,186,188.83/72,014,967.56 = 28,982,810.45/x
  3. Step 3: Cross multiply
    52,186,188.83x = 72,014,967.56 × 28,982,810.45
  4. Step 4: Simplify right side
    52,186,188.83x = 2,087,196,154,606,873.50
  5. Step 5: Solve for x
    x = 2,087,196,154,606,873.50/52,186,188.83
  6. Step 6: Final answer
    x = 39,995,182.66

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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.