Home / 90,398,360.16-124,751,156.40-49,145,410.08

Finding the Fourth Proportional to 90,398,360.16, 124,751,156.40 and 49,145,410.08

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Solution

The fourth proportional to 90,398,360.16, 124,751,156.40 and 49,145,410.08 is: 67,821,437.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,398,360.16 : 124,751,156.40 = 49,145,410.08 : x
  2. Step 2: Convert to fraction form
    90,398,360.16/124,751,156.40 = 49,145,410.08/x
  3. Step 3: Cross multiply
    90,398,360.16x = 124,751,156.40 × 49,145,410.08
  4. Step 4: Simplify right side
    90,398,360.16x = 6,130,946,739,232,217
  5. Step 5: Solve for x
    x = 6,130,946,739,232,217/90,398,360.16
  6. Step 6: Final answer
    x = 67,821,437.56

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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.