Home / 91,111,341.40-136,679,000.10-33,643,979.80

Finding the Fourth Proportional to 91,111,341.40, 136,679,000.10 and 33,643,979.80

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Solution

The fourth proportional to 91,111,341.40, 136,679,000.10 and 33,643,979.80 is: 50,470,396.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,111,341.40 : 136,679,000.10 = 33,643,979.80 : x
  2. Step 2: Convert to fraction form
    91,111,341.40/136,679,000.10 = 33,643,979.80/x
  3. Step 3: Cross multiply
    91,111,341.40x = 136,679,000.10 × 33,643,979.80
  4. Step 4: Simplify right side
    91,111,341.40x = 4,598,425,518,448,597
  5. Step 5: Solve for x
    x = 4,598,425,518,448,597/91,111,341.40
  6. Step 6: Final answer
    x = 50,470,396.42

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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.