Home / 117,515,428.40-176,301,136.20-56,881,290.80

Finding the Fourth Proportional to 117,515,428.40, 176,301,136.20 and 56,881,290.80

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Solution

The fourth proportional to 117,515,428.40, 176,301,136.20 and 56,881,290.80 is: 85,335,486.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,515,428.40 : 176,301,136.20 = 56,881,290.80 : x
  2. Step 2: Convert to fraction form
    117,515,428.40/176,301,136.20 = 56,881,290.80/x
  3. Step 3: Cross multiply
    117,515,428.40x = 176,301,136.20 × 56,881,290.80
  4. Step 4: Simplify right side
    117,515,428.40x = 10,028,236,196,562,606
  5. Step 5: Solve for x
    x = 10,028,236,196,562,606/117,515,428.40
  6. Step 6: Final answer
    x = 85,335,486.01

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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.