Home / 88,208,980.56-121,731,351.12-48,518,190.54

Finding the Fourth Proportional to 88,208,980.56, 121,731,351.12 and 48,518,190.54

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Solution

The fourth proportional to 88,208,980.56, 121,731,351.12 and 48,518,190.54 is: 66,956,729.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,208,980.56 : 121,731,351.12 = 48,518,190.54 : x
  2. Step 2: Convert to fraction form
    88,208,980.56/121,731,351.12 = 48,518,190.54/x
  3. Step 3: Cross multiply
    88,208,980.56x = 121,731,351.12 × 48,518,190.54
  4. Step 4: Simplify right side
    88,208,980.56x = 5,906,184,888,331,803
  5. Step 5: Solve for x
    x = 5,906,184,888,331,803/88,208,980.56
  6. Step 6: Final answer
    x = 66,956,729.93

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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.