Home / 88,579,938.40-132,869,907.60-61,317,015.10

Finding the Fourth Proportional to 88,579,938.40, 132,869,907.60 and 61,317,015.10

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Solution

The fourth proportional to 88,579,938.40, 132,869,907.60 and 61,317,015.10 is: 91,975,522.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,579,938.40 : 132,869,907.60 = 61,317,015.10 : x
  2. Step 2: Convert to fraction form
    88,579,938.40/132,869,907.60 = 61,317,015.10/x
  3. Step 3: Cross multiply
    88,579,938.40x = 132,869,907.60 × 61,317,015.10
  4. Step 4: Simplify right side
    88,579,938.40x = 8,147,186,130,644,805
  5. Step 5: Solve for x
    x = 8,147,186,130,644,805/88,579,938.40
  6. Step 6: Final answer
    x = 91,975,522.65

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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.