Home / 162,480,786.40-243,565,832.40-60,217,400.80

Finding the Fourth Proportional to 162,480,786.40, 243,565,832.40 and 60,217,400.80

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Solution

The fourth proportional to 162,480,786.40, 243,565,832.40 and 60,217,400.80 is: 90,268,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,480,786.40 : 243,565,832.40 = 60,217,400.80 : x
  2. Step 2: Convert to fraction form
    162,480,786.40/243,565,832.40 = 60,217,400.80/x
  3. Step 3: Cross multiply
    162,480,786.40x = 243,565,832.40 × 60,217,400.80
  4. Step 4: Simplify right side
    162,480,786.40x = 14,666,901,350,816,426
  5. Step 5: Solve for x
    x = 14,666,901,350,816,426/162,480,786.40
  6. Step 6: Final answer
    x = 90,268,527.60

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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.