Home / 193,147,982.40-289,721,973.60-147,798,350.40

Finding the Fourth Proportional to 193,147,982.40, 289,721,973.60 and 147,798,350.40

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Solution

The fourth proportional to 193,147,982.40, 289,721,973.60 and 147,798,350.40 is: 221,697,525.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,147,982.40 : 289,721,973.60 = 147,798,350.40 : x
  2. Step 2: Convert to fraction form
    193,147,982.40/289,721,973.60 = 147,798,350.40/x
  3. Step 3: Cross multiply
    193,147,982.40x = 289,721,973.60 × 147,798,350.40
  4. Step 4: Simplify right side
    193,147,982.40x = 42,820,429,772,712,352
  5. Step 5: Solve for x
    x = 42,820,429,772,712,352/193,147,982.40
  6. Step 6: Final answer
    x = 221,697,525.60

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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.