Home / 56,893,316.76-78,512,775.53-30,787,834.32

Finding the Fourth Proportional to 56,893,316.76, 78,512,775.53 and 30,787,834.32

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Solution

The fourth proportional to 56,893,316.76, 78,512,775.53 and 30,787,834.32 is: 42,487,210.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,893,316.76 : 78,512,775.53 = 30,787,834.32 : x
  2. Step 2: Convert to fraction form
    56,893,316.76/78,512,775.53 = 30,787,834.32/x
  3. Step 3: Cross multiply
    56,893,316.76x = 78,512,775.53 × 30,787,834.32
  4. Step 4: Simplify right side
    56,893,316.76x = 2,417,238,324,867,051
  5. Step 5: Solve for x
    x = 2,417,238,324,867,051/56,893,316.76
  6. Step 6: Final answer
    x = 42,487,210.49

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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.