Home / 56,870,175.04-78,480,603.70-30,764,627.92

Finding the Fourth Proportional to 56,870,175.04, 78,480,603.70 and 30,764,627.92

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Solution

The fourth proportional to 56,870,175.04, 78,480,603.70 and 30,764,627.92 is: 42,455,057.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,870,175.04 : 78,480,603.70 = 30,764,627.92 : x
  2. Step 2: Convert to fraction form
    56,870,175.04/78,480,603.70 = 30,764,627.92/x
  3. Step 3: Cross multiply
    56,870,175.04x = 78,480,603.70 × 30,764,627.92
  4. Step 4: Simplify right side
    56,870,175.04x = 2,414,426,571,767,475.50
  5. Step 5: Solve for x
    x = 2,414,426,571,767,475.50/56,870,175.04
  6. Step 6: Final answer
    x = 42,455,057.86

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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.