Home / 72,393,657.44-99,897,303.58-42,619,577.00

Finding the Fourth Proportional to 72,393,657.44, 99,897,303.58 and 42,619,577.00

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Solution

The fourth proportional to 72,393,657.44, 99,897,303.58 and 42,619,577.00 is: 58,811,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,393,657.44 : 99,897,303.58 = 42,619,577.00 : x
  2. Step 2: Convert to fraction form
    72,393,657.44/99,897,303.58 = 42,619,577.00/x
  3. Step 3: Cross multiply
    72,393,657.44x = 99,897,303.58 × 42,619,577.00
  4. Step 4: Simplify right side
    72,393,657.44x = 4,257,580,821,414,150
  5. Step 5: Solve for x
    x = 4,257,580,821,414,150/72,393,657.44
  6. Step 6: Final answer
    x = 58,811,517.09

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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.