Home / 347,736,701.60-521,605,052.40-105,368,112.80

Finding the Fourth Proportional to 347,736,701.60, 521,605,052.40 and 105,368,112.80

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Solution

The fourth proportional to 347,736,701.60, 521,605,052.40 and 105,368,112.80 is: 158,052,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,701.60 : 521,605,052.40 = 105,368,112.80 : x
  2. Step 2: Convert to fraction form
    347,736,701.60/521,605,052.40 = 105,368,112.80/x
  3. Step 3: Cross multiply
    347,736,701.60x = 521,605,052.40 × 105,368,112.80
  4. Step 4: Simplify right side
    347,736,701.60x = 54,960,539,998,333,104
  5. Step 5: Solve for x
    x = 54,960,539,998,333,104/347,736,701.60
  6. Step 6: Final answer
    x = 158,052,169.20

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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.