Home / 347,645,368.60-521,468,052.90-105,308,272.60

Finding the Fourth Proportional to 347,645,368.60, 521,468,052.90 and 105,308,272.60

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Solution

The fourth proportional to 347,645,368.60, 521,468,052.90 and 105,308,272.60 is: 157,962,408.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,645,368.60 : 521,468,052.90 = 105,308,272.60 : x
  2. Step 2: Convert to fraction form
    347,645,368.60/521,468,052.90 = 105,308,272.60/x
  3. Step 3: Cross multiply
    347,645,368.60x = 521,468,052.90 × 105,308,272.60
  4. Step 4: Simplify right side
    347,645,368.60x = 54,914,899,866,984,416
  5. Step 5: Solve for x
    x = 54,914,899,866,984,416/347,645,368.60
  6. Step 6: Final answer
    x = 157,962,408.90

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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.