Home / 154,646,706-213,406,991.52-85,031,599.44

Finding the Fourth Proportional to 154,646,706, 213,406,991.52 and 85,031,599.44

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Solution

The fourth proportional to 154,646,706, 213,406,991.52 and 85,031,599.44 is: 117,340,603.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,646,706 : 213,406,991.52 = 85,031,599.44 : x
  2. Step 2: Convert to fraction form
    154,646,706/213,406,991.52 = 85,031,599.44/x
  3. Step 3: Cross multiply
    154,646,706x = 213,406,991.52 × 85,031,599.44
  4. Step 4: Simplify right side
    154,646,706x = 18,146,337,820,624,116
  5. Step 5: Solve for x
    x = 18,146,337,820,624,116/154,646,706
  6. Step 6: Final answer
    x = 117,340,603.56

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1.5x scale

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.