Home / 89,319,418.76-133,878,707.60-45,477,114.32

Finding the Fourth Proportional to 89,319,418.76, 133,878,707.60 and 45,477,114.32

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Solution

The fourth proportional to 89,319,418.76, 133,878,707.60 and 45,477,114.32 is: 68,164,542.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,319,418.76 : 133,878,707.60 = 45,477,114.32 : x
  2. Step 2: Convert to fraction form
    89,319,418.76/133,878,707.60 = 45,477,114.32/x
  3. Step 3: Cross multiply
    89,319,418.76x = 133,878,707.60 × 45,477,114.32
  4. Step 4: Simplify right side
    89,319,418.76x = 6,088,417,290,646,364
  5. Step 5: Solve for x
    x = 6,088,417,290,646,364/89,319,418.76
  6. Step 6: Final answer
    x = 68,164,542.21

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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.