Home / 90,483,415.20-135,725,122.80-47,335,946.40

Finding the Fourth Proportional to 90,483,415.20, 135,725,122.80 and 47,335,946.40

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Solution

The fourth proportional to 90,483,415.20, 135,725,122.80 and 47,335,946.40 is: 71,003,919.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,483,415.20 : 135,725,122.80 = 47,335,946.40 : x
  2. Step 2: Convert to fraction form
    90,483,415.20/135,725,122.80 = 47,335,946.40/x
  3. Step 3: Cross multiply
    90,483,415.20x = 135,725,122.80 × 47,335,946.40
  4. Step 4: Simplify right side
    90,483,415.20x = 6,424,677,137,994,218
  5. Step 5: Solve for x
    x = 6,424,677,137,994,218/90,483,415.20
  6. Step 6: Final answer
    x = 71,003,919.60

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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.