Home / 57,158,441,511.57-78,878,714,680.26-31,783,368,031.47

Finding the Fourth Proportional to 57,158,441,511.57, 78,878,714,680.26 and 31,783,368,031.47

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Solution

The fourth proportional to 57,158,441,511.57, 78,878,714,680.26 and 31,783,368,031.47 is: 43,861,084,246.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158,441,511.57 : 78,878,714,680.26 = 31,783,368,031.47 : x
  2. Step 2: Convert to fraction form
    57,158,441,511.57/78,878,714,680.26 = 31,783,368,031.47/x
  3. Step 3: Cross multiply
    57,158,441,511.57x = 78,878,714,680.26 × 31,783,368,031.47
  4. Step 4: Simplify right side
    57,158,441,511.57x = 2,507,031,218,532,018,814,976
  5. Step 5: Solve for x
    x = 2,507,031,218,532,018,814,976/57,158,441,511.57
  6. Step 6: Final answer
    x = 43,861,084,246.40

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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.