Home / 185,665,891.81-278,508,088.32-70,659,347.53

Finding the Fourth Proportional to 185,665,891.81, 278,508,088.32 and 70,659,347.53

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Solution

The fourth proportional to 185,665,891.81, 278,508,088.32 and 70,659,347.53 is: 105,992,541.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,665,891.81 : 278,508,088.32 = 70,659,347.53 : x
  2. Step 2: Convert to fraction form
    185,665,891.81/278,508,088.32 = 70,659,347.53/x
  3. Step 3: Cross multiply
    185,665,891.81x = 278,508,088.32 × 70,659,347.53
  4. Step 4: Simplify right side
    185,665,891.81x = 19,679,199,800,772,980
  5. Step 5: Solve for x
    x = 19,679,199,800,772,980/185,665,891.81
  6. Step 6: Final answer
    x = 105,992,541.82

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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.