Home / 115,249,603.45-172,874,697.99-47,092,295.20

Finding the Fourth Proportional to 115,249,603.45, 172,874,697.99 and 47,092,295.20

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Solution

The fourth proportional to 115,249,603.45, 172,874,697.99 and 47,092,295.20 is: 70,638,562.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,249,603.45 : 172,874,697.99 = 47,092,295.20 : x
  2. Step 2: Convert to fraction form
    115,249,603.45/172,874,697.99 = 47,092,295.20/x
  3. Step 3: Cross multiply
    115,249,603.45x = 172,874,697.99 × 47,092,295.20
  4. Step 4: Simplify right side
    115,249,603.45x = 8,141,066,310,355,928
  5. Step 5: Solve for x
    x = 8,141,066,310,355,928/115,249,603.45
  6. Step 6: Final answer
    x = 70,638,562.45

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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.