Home / 145,541,379.60-218,312,069.40-133,637,101.20

Finding the Fourth Proportional to 145,541,379.60, 218,312,069.40 and 133,637,101.20

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Solution

The fourth proportional to 145,541,379.60, 218,312,069.40 and 133,637,101.20 is: 200,455,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,541,379.60 : 218,312,069.40 = 133,637,101.20 : x
  2. Step 2: Convert to fraction form
    145,541,379.60/218,312,069.40 = 133,637,101.20/x
  3. Step 3: Cross multiply
    145,541,379.60x = 218,312,069.40 × 133,637,101.20
  4. Step 4: Simplify right side
    145,541,379.60x = 29,174,592,111,589,224
  5. Step 5: Solve for x
    x = 29,174,592,111,589,224/145,541,379.60
  6. Step 6: Final answer
    x = 200,455,651.80

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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.