Home / 135,912,185.02-203,710,152.12-77,660,697.76

Finding the Fourth Proportional to 135,912,185.02, 203,710,152.12 and 77,660,697.76

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Solution

The fourth proportional to 135,912,185.02, 203,710,152.12 and 77,660,697.76 is: 116,400,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,912,185.02 : 203,710,152.12 = 77,660,697.76 : x
  2. Step 2: Convert to fraction form
    135,912,185.02/203,710,152.12 = 77,660,697.76/x
  3. Step 3: Cross multiply
    135,912,185.02x = 203,710,152.12 × 77,660,697.76
  4. Step 4: Simplify right side
    135,912,185.02x = 15,820,272,554,434,944
  5. Step 5: Solve for x
    x = 15,820,272,554,434,944/135,912,185.02
  6. Step 6: Final answer
    x = 116,400,693.23

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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.