Home / 56,917,843.18-78,546,607.06-30,812,341.79

Finding the Fourth Proportional to 56,917,843.18, 78,546,607.06 and 30,812,341.79

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Solution

The fourth proportional to 56,917,843.18, 78,546,607.06 and 30,812,341.79 is: 42,521,022.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917,843.18 : 78,546,607.06 = 30,812,341.79 : x
  2. Step 2: Convert to fraction form
    56,917,843.18/78,546,607.06 = 30,812,341.79/x
  3. Step 3: Cross multiply
    56,917,843.18x = 78,546,607.06 × 30,812,341.79
  4. Step 4: Simplify right side
    56,917,843.18x = 2,420,204,903,177,547
  5. Step 5: Solve for x
    x = 2,420,204,903,177,547/56,917,843.18
  6. Step 6: Final answer
    x = 42,521,022.72

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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.