Home / 90,828,436.08-125,343,362.52-58,233,387.12

Finding the Fourth Proportional to 90,828,436.08, 125,343,362.52 and 58,233,387.12

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Solution

The fourth proportional to 90,828,436.08, 125,343,362.52 and 58,233,387.12 is: 80,362,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,828,436.08 : 125,343,362.52 = 58,233,387.12 : x
  2. Step 2: Convert to fraction form
    90,828,436.08/125,343,362.52 = 58,233,387.12/x
  3. Step 3: Cross multiply
    90,828,436.08x = 125,343,362.52 × 58,233,387.12
  4. Step 4: Simplify right side
    90,828,436.08x = 7,299,168,552,549,658
  5. Step 5: Solve for x
    x = 7,299,168,552,549,658/90,828,436.08
  6. Step 6: Final answer
    x = 80,362,151.63

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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.