Home / 90,790,427.07-125,280,442.86-51,090,289.70

Finding the Fourth Proportional to 90,790,427.07, 125,280,442.86 and 51,090,289.70

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Solution

The fourth proportional to 90,790,427.07, 125,280,442.86 and 51,090,289.70 is: 70,498,777.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,790,427.07 : 125,280,442.86 = 51,090,289.70 : x
  2. Step 2: Convert to fraction form
    90,790,427.07/125,280,442.86 = 51,090,289.70/x
  3. Step 3: Cross multiply
    90,790,427.07x = 125,280,442.86 × 51,090,289.70
  4. Step 4: Simplify right side
    90,790,427.07x = 6,400,614,118,835,294
  5. Step 5: Solve for x
    x = 6,400,614,118,835,294/90,790,427.07
  6. Step 6: Final answer
    x = 70,498,777.52

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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.