Home / 90,424,115.60-135,636,173.40-36,571,427.60

Finding the Fourth Proportional to 90,424,115.60, 135,636,173.40 and 36,571,427.60

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Solution

The fourth proportional to 90,424,115.60, 135,636,173.40 and 36,571,427.60 is: 54,857,141.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,424,115.60 : 135,636,173.40 = 36,571,427.60 : x
  2. Step 2: Convert to fraction form
    90,424,115.60/135,636,173.40 = 36,571,427.60/x
  3. Step 3: Cross multiply
    90,424,115.60x = 135,636,173.40 × 36,571,427.60
  4. Step 4: Simplify right side
    90,424,115.60x = 4,960,408,495,439,146
  5. Step 5: Solve for x
    x = 4,960,408,495,439,146/90,424,115.60
  6. Step 6: Final answer
    x = 54,857,141.40

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1.5x scale

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.