Home / 55,326,056.40-82,989,084.60-28,116,277.20

Finding the Fourth Proportional to 55,326,056.40, 82,989,084.60 and 28,116,277.20

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Solution

The fourth proportional to 55,326,056.40, 82,989,084.60 and 28,116,277.20 is: 42,174,415.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,326,056.40 : 82,989,084.60 = 28,116,277.20 : x
  2. Step 2: Convert to fraction form
    55,326,056.40/82,989,084.60 = 28,116,277.20/x
  3. Step 3: Cross multiply
    55,326,056.40x = 82,989,084.60 × 28,116,277.20
  4. Step 4: Simplify right side
    55,326,056.40x = 2,333,344,107,187,851
  5. Step 5: Solve for x
    x = 2,333,344,107,187,851/55,326,056.40
  6. Step 6: Final answer
    x = 42,174,415.80

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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.