Home / 90,985,436.20-136,478,154.30-50,595,920.20

Finding the Fourth Proportional to 90,985,436.20, 136,478,154.30 and 50,595,920.20

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Solution

The fourth proportional to 90,985,436.20, 136,478,154.30 and 50,595,920.20 is: 75,893,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,985,436.20 : 136,478,154.30 = 50,595,920.20 : x
  2. Step 2: Convert to fraction form
    90,985,436.20/136,478,154.30 = 50,595,920.20/x
  3. Step 3: Cross multiply
    90,985,436.20x = 136,478,154.30 × 50,595,920.20
  4. Step 4: Simplify right side
    90,985,436.20x = 6,905,237,804,006,088
  5. Step 5: Solve for x
    x = 6,905,237,804,006,088/90,985,436.20
  6. Step 6: Final answer
    x = 75,893,880.30

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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.