Home / 73,210,349.54-109,701,990.72-42,428,580.86

Finding the Fourth Proportional to 73,210,349.54, 109,701,990.72 and 42,428,580.86

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Solution

The fourth proportional to 73,210,349.54, 109,701,990.72 and 42,428,580.86 is: 63,577,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210,349.54 : 109,701,990.72 = 42,428,580.86 : x
  2. Step 2: Convert to fraction form
    73,210,349.54/109,701,990.72 = 42,428,580.86/x
  3. Step 3: Cross multiply
    73,210,349.54x = 109,701,990.72 × 42,428,580.86
  4. Step 4: Simplify right side
    73,210,349.54x = 4,654,499,783,766,490
  5. Step 5: Solve for x
    x = 4,654,499,783,766,490/73,210,349.54
  6. Step 6: Final answer
    x = 63,577,073.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.