Home / 325,163,921.43-487,643,092.07-106,778,261.91

Finding the Fourth Proportional to 325,163,921.43, 487,643,092.07 and 106,778,261.91

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Solution

The fourth proportional to 325,163,921.43, 487,643,092.07 and 106,778,261.91 is: 160,133,638.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,163,921.43 : 487,643,092.07 = 106,778,261.91 : x
  2. Step 2: Convert to fraction form
    325,163,921.43/487,643,092.07 = 106,778,261.91/x
  3. Step 3: Cross multiply
    325,163,921.43x = 487,643,092.07 × 106,778,261.91
  4. Step 4: Simplify right side
    325,163,921.43x = 52,069,681,803,118,808
  5. Step 5: Solve for x
    x = 52,069,681,803,118,808/325,163,921.43
  6. Step 6: Final answer
    x = 160,133,638.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.