Home / 91,946,586.11-137,953,509.44-42,785,885.52

Finding the Fourth Proportional to 91,946,586.11, 137,953,509.44 and 42,785,885.52

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Solution

The fourth proportional to 91,946,586.11, 137,953,509.44 and 42,785,885.52 is: 64,194,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,946,586.11 : 137,953,509.44 = 42,785,885.52 : x
  2. Step 2: Convert to fraction form
    91,946,586.11/137,953,509.44 = 42,785,885.52/x
  3. Step 3: Cross multiply
    91,946,586.11x = 137,953,509.44 × 42,785,885.52
  4. Step 4: Simplify right side
    91,946,586.11x = 5,902,463,061,768,150
  5. Step 5: Solve for x
    x = 5,902,463,061,768,150/91,946,586.11
  6. Step 6: Final answer
    x = 64,194,477.60

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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.