Home / 70,628,126.28-105,885,018.48-22,080,990.93

Finding the Fourth Proportional to 70,628,126.28, 105,885,018.48 and 22,080,990.93

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Solution

The fourth proportional to 70,628,126.28, 105,885,018.48 and 22,080,990.93 is: 33,103,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,628,126.28 : 105,885,018.48 = 22,080,990.93 : x
  2. Step 2: Convert to fraction form
    70,628,126.28/105,885,018.48 = 22,080,990.93/x
  3. Step 3: Cross multiply
    70,628,126.28x = 105,885,018.48 × 22,080,990.93
  4. Step 4: Simplify right side
    70,628,126.28x = 2,338,046,132,679,762.50
  5. Step 5: Solve for x
    x = 2,338,046,132,679,762.50/70,628,126.28
  6. Step 6: Final answer
    x = 33,103,612.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.