Home / 194,424,281.60-291,636,422.40-191,400,972.80

Finding the Fourth Proportional to 194,424,281.60, 291,636,422.40 and 191,400,972.80

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Solution

The fourth proportional to 194,424,281.60, 291,636,422.40 and 191,400,972.80 is: 287,101,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,424,281.60 : 291,636,422.40 = 191,400,972.80 : x
  2. Step 2: Convert to fraction form
    194,424,281.60/291,636,422.40 = 191,400,972.80/x
  3. Step 3: Cross multiply
    194,424,281.60x = 291,636,422.40 × 191,400,972.80
  4. Step 4: Simplify right side
    194,424,281.60x = 55,819,494,951,271,712
  5. Step 5: Solve for x
    x = 55,819,494,951,271,712/194,424,281.60
  6. Step 6: Final answer
    x = 287,101,459.20

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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.