Home / 90,869,056.40-136,340,909.40-33,388,864.40

Finding the Fourth Proportional to 90,869,056.40, 136,340,909.40 and 33,388,864.40

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Solution

The fourth proportional to 90,869,056.40, 136,340,909.40 and 33,388,864.40 is: 50,097,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,869,056.40 : 136,340,909.40 = 33,388,864.40 : x
  2. Step 2: Convert to fraction form
    90,869,056.40/136,340,909.40 = 33,388,864.40/x
  3. Step 3: Cross multiply
    90,869,056.40x = 136,340,909.40 × 33,388,864.40
  4. Step 4: Simplify right side
    90,869,056.40x = 4,552,268,136,129,285
  5. Step 5: Solve for x
    x = 4,552,268,136,129,285/90,869,056.40
  6. Step 6: Final answer
    x = 50,097,011.20

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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.