Home / 72,225,850.40-99,652,392.96-42,832,745.36

Finding the Fourth Proportional to 72,225,850.40, 99,652,392.96 and 42,832,745.36

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Solution

The fourth proportional to 72,225,850.40, 99,652,392.96 and 42,832,745.36 is: 59,097,754.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,225,850.40 : 99,652,392.96 = 42,832,745.36 : x
  2. Step 2: Convert to fraction form
    72,225,850.40/99,652,392.96 = 42,832,745.36/x
  3. Step 3: Cross multiply
    72,225,850.40x = 99,652,392.96 × 42,832,745.36
  4. Step 4: Simplify right side
    72,225,850.40x = 4,268,385,572,170,336.50
  5. Step 5: Solve for x
    x = 4,268,385,572,170,336.50/72,225,850.40
  6. Step 6: Final answer
    x = 59,097,754.45

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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.