Home / 70,102,724.13-105,060,090.35-54,559,320.46

Finding the Fourth Proportional to 70,102,724.13, 105,060,090.35 and 54,559,320.46

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Solution

The fourth proportional to 70,102,724.13, 105,060,090.35 and 54,559,320.46 is: 81,765,825.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,102,724.13 : 105,060,090.35 = 54,559,320.46 : x
  2. Step 2: Convert to fraction form
    70,102,724.13/105,060,090.35 = 54,559,320.46/x
  3. Step 3: Cross multiply
    70,102,724.13x = 105,060,090.35 × 54,559,320.46
  4. Step 4: Simplify right side
    70,102,724.13x = 5,732,007,136,835,952
  5. Step 5: Solve for x
    x = 5,732,007,136,835,952/70,102,724.13
  6. Step 6: Final answer
    x = 81,765,825.91

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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.