Home / 220,123,810.40-330,185,715.60-124,572,322.40

Finding the Fourth Proportional to 220,123,810.40, 330,185,715.60 and 124,572,322.40

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Solution

The fourth proportional to 220,123,810.40, 330,185,715.60 and 124,572,322.40 is: 186,858,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123,810.40 : 330,185,715.60 = 124,572,322.40 : x
  2. Step 2: Convert to fraction form
    220,123,810.40/330,185,715.60 = 124,572,322.40/x
  3. Step 3: Cross multiply
    220,123,810.40x = 330,185,715.60 × 124,572,322.40
  4. Step 4: Simplify right side
    220,123,810.40x = 41,132,001,415,597,912
  5. Step 5: Solve for x
    x = 41,132,001,415,597,912/220,123,810.40
  6. Step 6: Final answer
    x = 186,858,483.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.