Home / 347,736,679.60-521,605,019.40-105,368,090.80

Finding the Fourth Proportional to 347,736,679.60, 521,605,019.40 and 105,368,090.80

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Solution

The fourth proportional to 347,736,679.60, 521,605,019.40 and 105,368,090.80 is: 158,052,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,679.60 : 521,605,019.40 = 105,368,090.80 : x
  2. Step 2: Convert to fraction form
    347,736,679.60/521,605,019.40 = 105,368,090.80/x
  3. Step 3: Cross multiply
    347,736,679.60x = 521,605,019.40 × 105,368,090.80
  4. Step 4: Simplify right side
    347,736,679.60x = 54,960,525,045,874,960
  5. Step 5: Solve for x
    x = 54,960,525,045,874,960/347,736,679.60
  6. Step 6: Final answer
    x = 158,052,136.20

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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.