Home / 89,824,124.40-134,736,186.60-84,155,420.40

Finding the Fourth Proportional to 89,824,124.40, 134,736,186.60 and 84,155,420.40

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Solution

The fourth proportional to 89,824,124.40, 134,736,186.60 and 84,155,420.40 is: 126,233,130.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,824,124.40 : 134,736,186.60 = 84,155,420.40 : x
  2. Step 2: Convert to fraction form
    89,824,124.40/134,736,186.60 = 84,155,420.40/x
  3. Step 3: Cross multiply
    89,824,124.40x = 134,736,186.60 × 84,155,420.40
  4. Step 4: Simplify right side
    89,824,124.40x = 11,338,780,426,415,846
  5. Step 5: Solve for x
    x = 11,338,780,426,415,846/89,824,124.40
  6. Step 6: Final answer
    x = 126,233,130.60

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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.