Home / 69,947,603.20-104,921,404.80-50,688,006.40

Finding the Fourth Proportional to 69,947,603.20, 104,921,404.80 and 50,688,006.40

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Solution

The fourth proportional to 69,947,603.20, 104,921,404.80 and 50,688,006.40 is: 76,032,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,947,603.20 : 104,921,404.80 = 50,688,006.40 : x
  2. Step 2: Convert to fraction form
    69,947,603.20/104,921,404.80 = 50,688,006.40/x
  3. Step 3: Cross multiply
    69,947,603.20x = 104,921,404.80 × 50,688,006.40
  4. Step 4: Simplify right side
    69,947,603.20x = 5,318,256,837,999,390
  5. Step 5: Solve for x
    x = 5,318,256,837,999,390/69,947,603.20
  6. Step 6: Final answer
    x = 76,032,009.60

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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.