Home / 66,418,821.18-99,657,005.85-35,677,533.60

Finding the Fourth Proportional to 66,418,821.18, 99,657,005.85 and 35,677,533.60

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Solution

The fourth proportional to 66,418,821.18, 99,657,005.85 and 35,677,533.60 is: 53,531,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,418,821.18 : 99,657,005.85 = 35,677,533.60 : x
  2. Step 2: Convert to fraction form
    66,418,821.18/99,657,005.85 = 35,677,533.60/x
  3. Step 3: Cross multiply
    66,418,821.18x = 99,657,005.85 × 35,677,533.60
  4. Step 4: Simplify right side
    66,418,821.18x = 3,555,516,174,688,771.50
  5. Step 5: Solve for x
    x = 3,555,516,174,688,771.50/66,418,821.18
  6. Step 6: Final answer
    x = 53,531,756.68

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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.