Home / 89,319,420.27-133,878,709.85-45,477,115.83

Finding the Fourth Proportional to 89,319,420.27, 133,878,709.85 and 45,477,115.83

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Solution

The fourth proportional to 89,319,420.27, 133,878,709.85 and 45,477,115.83 is: 68,164,544.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,319,420.27 : 133,878,709.85 = 45,477,115.83 : x
  2. Step 2: Convert to fraction form
    89,319,420.27/133,878,709.85 = 45,477,115.83/x
  3. Step 3: Cross multiply
    89,319,420.27x = 133,878,709.85 × 45,477,115.83
  4. Step 4: Simplify right side
    89,319,420.27x = 6,088,417,594,792,026
  5. Step 5: Solve for x
    x = 6,088,417,594,792,026/89,319,420.27
  6. Step 6: Final answer
    x = 68,164,544.47

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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.