Home / 155,157,078.48-232,769,678.76-45,990,669.84

Finding the Fourth Proportional to 155,157,078.48, 232,769,678.76 and 45,990,669.84

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Solution

The fourth proportional to 155,157,078.48, 232,769,678.76 and 45,990,669.84 is: 68,996,100.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,157,078.48 : 232,769,678.76 = 45,990,669.84 : x
  2. Step 2: Convert to fraction form
    155,157,078.48/232,769,678.76 = 45,990,669.84/x
  3. Step 3: Cross multiply
    155,157,078.48x = 232,769,678.76 × 45,990,669.84
  4. Step 4: Simplify right side
    155,157,078.48x = 10,705,233,444,614,020
  5. Step 5: Solve for x
    x = 10,705,233,444,614,020/155,157,078.48
  6. Step 6: Final answer
    x = 68,996,100.92

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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.