Home / 77,903,856-107,510,486.76-43,095,946.32

Finding the Fourth Proportional to 77,903,856, 107,510,486.76 and 43,095,946.32

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Solution

The fourth proportional to 77,903,856, 107,510,486.76 and 43,095,946.32 is: 59,474,157.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,903,856 : 107,510,486.76 = 43,095,946.32 : x
  2. Step 2: Convert to fraction form
    77,903,856/107,510,486.76 = 43,095,946.32/x
  3. Step 3: Cross multiply
    77,903,856x = 107,510,486.76 × 43,095,946.32
  4. Step 4: Simplify right side
    77,903,856x = 4,633,266,166,246,031
  5. Step 5: Solve for x
    x = 4,633,266,166,246,031/77,903,856
  6. Step 6: Final answer
    x = 59,474,157.05

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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.