Home / 178,626,441-267,938,911.74-69,527,693.28

Finding the Fourth Proportional to 178,626,441, 267,938,911.74 and 69,527,693.28

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Solution

The fourth proportional to 178,626,441, 267,938,911.74 and 69,527,693.28 is: 104,291,248.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,626,441 : 267,938,911.74 = 69,527,693.28 : x
  2. Step 2: Convert to fraction form
    178,626,441/267,938,911.74 = 69,527,693.28/x
  3. Step 3: Cross multiply
    178,626,441x = 267,938,911.74 × 69,527,693.28
  4. Step 4: Simplify right side
    178,626,441x = 18,629,174,473,235,712
  5. Step 5: Solve for x
    x = 18,629,174,473,235,712/178,626,441
  6. Step 6: Final answer
    x = 104,291,248.09

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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.