Home / 74,708,693.28-111,833,197.55-48,745,088.70

Finding the Fourth Proportional to 74,708,693.28, 111,833,197.55 and 48,745,088.70

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Solution

The fourth proportional to 74,708,693.28, 111,833,197.55 and 48,745,088.70 is: 72,967,668.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708,693.28 : 111,833,197.55 = 48,745,088.70 : x
  2. Step 2: Convert to fraction form
    74,708,693.28/111,833,197.55 = 48,745,088.70/x
  3. Step 3: Cross multiply
    74,708,693.28x = 111,833,197.55 × 48,745,088.70
  4. Step 4: Simplify right side
    74,708,693.28x = 5,451,319,133,935,648
  5. Step 5: Solve for x
    x = 5,451,319,133,935,648/74,708,693.28
  6. Step 6: Final answer
    x = 72,967,668.08

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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.