Home / 136,789,603.76-205,205,662.77-45,934,450.40

Finding the Fourth Proportional to 136,789,603.76, 205,205,662.77 and 45,934,450.40

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Solution

The fourth proportional to 136,789,603.76, 205,205,662.77 and 45,934,450.40 is: 68,908,813.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,789,603.76 : 205,205,662.77 = 45,934,450.40 : x
  2. Step 2: Convert to fraction form
    136,789,603.76/205,205,662.77 = 45,934,450.40/x
  3. Step 3: Cross multiply
    136,789,603.76x = 205,205,662.77 × 45,934,450.40
  4. Step 4: Simplify right side
    136,789,603.76x = 9,426,009,337,281,664
  5. Step 5: Solve for x
    x = 9,426,009,337,281,664/136,789,603.76
  6. Step 6: Final answer
    x = 68,908,813.82

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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.