Home / 248,453,697.20-372,680,545.80-156,620,692.40

Finding the Fourth Proportional to 248,453,697.20, 372,680,545.80 and 156,620,692.40

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Solution

The fourth proportional to 248,453,697.20, 372,680,545.80 and 156,620,692.40 is: 234,931,038.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,453,697.20 : 372,680,545.80 = 156,620,692.40 : x
  2. Step 2: Convert to fraction form
    248,453,697.20/372,680,545.80 = 156,620,692.40/x
  3. Step 3: Cross multiply
    248,453,697.20x = 372,680,545.80 × 156,620,692.40
  4. Step 4: Simplify right side
    248,453,697.20x = 58,369,485,127,205,920
  5. Step 5: Solve for x
    x = 58,369,485,127,205,920/248,453,697.20
  6. Step 6: Final answer
    x = 234,931,038.60

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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.