Home / 74,862,358.80-112,277,791.80-31,732,969.20

Finding the Fourth Proportional to 74,862,358.80, 112,277,791.80 and 31,732,969.20

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Solution

The fourth proportional to 74,862,358.80, 112,277,791.80 and 31,732,969.20 is: 47,592,779.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,862,358.80 : 112,277,791.80 = 31,732,969.20 : x
  2. Step 2: Convert to fraction form
    74,862,358.80/112,277,791.80 = 31,732,969.20/x
  3. Step 3: Cross multiply
    74,862,358.80x = 112,277,791.80 × 31,732,969.20
  4. Step 4: Simplify right side
    74,862,358.80x = 3,562,907,709,033,412.50
  5. Step 5: Solve for x
    x = 3,562,907,709,033,412.50/74,862,358.80
  6. Step 6: Final answer
    x = 47,592,779.15

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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.