Home / 56,917,898.84-78,546,683.76-30,812,397.30

Finding the Fourth Proportional to 56,917,898.84, 78,546,683.76 and 30,812,397.30

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Solution

The fourth proportional to 56,917,898.84, 78,546,683.76 and 30,812,397.30 is: 42,521,099.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,917,898.84 : 78,546,683.76 = 30,812,397.30 : x
  2. Step 2: Convert to fraction form
    56,917,898.84/78,546,683.76 = 30,812,397.30/x
  3. Step 3: Cross multiply
    56,917,898.84x = 78,546,683.76 × 30,812,397.30
  4. Step 4: Simplify right side
    56,917,898.84x = 2,420,211,626,610,578
  5. Step 5: Solve for x
    x = 2,420,211,626,610,578/56,917,898.84
  6. Step 6: Final answer
    x = 42,521,099.27

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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.