Home / 161,758,565.30-242,637,847.95-133,037,131.70

Finding the Fourth Proportional to 161,758,565.30, 242,637,847.95 and 133,037,131.70

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Solution

The fourth proportional to 161,758,565.30, 242,637,847.95 and 133,037,131.70 is: 199,555,697.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,758,565.30 : 242,637,847.95 = 133,037,131.70 : x
  2. Step 2: Convert to fraction form
    161,758,565.30/242,637,847.95 = 133,037,131.70/x
  3. Step 3: Cross multiply
    161,758,565.30x = 242,637,847.95 × 133,037,131.70
  4. Step 4: Simplify right side
    161,758,565.30x = 32,279,843,333,128,724
  5. Step 5: Solve for x
    x = 32,279,843,333,128,724/161,758,565.30
  6. Step 6: Final answer
    x = 199,555,697.55

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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.