Home / 91,882,830.30-128,731,621.80-91,882,830.30

Finding the Fourth Proportional to 91,882,830.30, 128,731,621.80 and 91,882,830.30

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Solution

The fourth proportional to 91,882,830.30, 128,731,621.80 and 91,882,830.30 is: 128,731,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,882,830.30 : 128,731,621.80 = 91,882,830.30 : x
  2. Step 2: Convert to fraction form
    91,882,830.30/128,731,621.80 = 91,882,830.30/x
  3. Step 3: Cross multiply
    91,882,830.30x = 128,731,621.80 × 91,882,830.30
  4. Step 4: Simplify right side
    91,882,830.30x = 11,828,225,760,093,180
  5. Step 5: Solve for x
    x = 11,828,225,760,093,180/91,882,830.30
  6. Step 6: Final answer
    x = 128,731,621.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.