Home / 90,348,632.56-124,681,018.44-49,095,426.64

Finding the Fourth Proportional to 90,348,632.56, 124,681,018.44 and 49,095,426.64

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Solution

The fourth proportional to 90,348,632.56, 124,681,018.44 and 49,095,426.64 is: 67,751,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,348,632.56 : 124,681,018.44 = 49,095,426.64 : x
  2. Step 2: Convert to fraction form
    90,348,632.56/124,681,018.44 = 49,095,426.64/x
  3. Step 3: Cross multiply
    90,348,632.56x = 124,681,018.44 × 49,095,426.64
  4. Step 4: Simplify right side
    90,348,632.56x = 6,121,267,794,221,507
  5. Step 5: Solve for x
    x = 6,121,267,794,221,507/90,348,632.56
  6. Step 6: Final answer
    x = 67,751,637.42

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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.