Home / 268,871,707.60-403,357,327.80-87,124,814.80

Finding the Fourth Proportional to 268,871,707.60, 403,357,327.80 and 87,124,814.80

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Solution

The fourth proportional to 268,871,707.60, 403,357,327.80 and 87,124,814.80 is: 130,703,348.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,871,707.60 : 403,357,327.80 = 87,124,814.80 : x
  2. Step 2: Convert to fraction form
    268,871,707.60/403,357,327.80 = 87,124,814.80/x
  3. Step 3: Cross multiply
    268,871,707.60x = 403,357,327.80 × 87,124,814.80
  4. Step 4: Simplify right side
    268,871,707.60x = 35,142,432,482,797,892
  5. Step 5: Solve for x
    x = 35,142,432,482,797,892/268,871,707.60
  6. Step 6: Final answer
    x = 130,703,348.44

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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.