Home / 72,475,177.03-99,977,631.03-43,085,604.01

Finding the Fourth Proportional to 72,475,177.03, 99,977,631.03 and 43,085,604.01

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Solution

The fourth proportional to 72,475,177.03, 99,977,631.03 and 43,085,604.01 is: 59,435,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475,177.03 : 99,977,631.03 = 43,085,604.01 : x
  2. Step 2: Convert to fraction form
    72,475,177.03/99,977,631.03 = 43,085,604.01/x
  3. Step 3: Cross multiply
    72,475,177.03x = 99,977,631.03 × 43,085,604.01
  4. Step 4: Simplify right side
    72,475,177.03x = 4,307,596,620,416,468.50
  5. Step 5: Solve for x
    x = 4,307,596,620,416,468.50/72,475,177.03
  6. Step 6: Final answer
    x = 59,435,475.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.