Home / 52,466,995.20-78,700,492.80-30,879,436.80

Finding the Fourth Proportional to 52,466,995.20, 78,700,492.80 and 30,879,436.80

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Solution

The fourth proportional to 52,466,995.20, 78,700,492.80 and 30,879,436.80 is: 46,319,155.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,466,995.20 : 78,700,492.80 = 30,879,436.80 : x
  2. Step 2: Convert to fraction form
    52,466,995.20/78,700,492.80 = 30,879,436.80/x
  3. Step 3: Cross multiply
    52,466,995.20x = 78,700,492.80 × 30,879,436.80
  4. Step 4: Simplify right side
    52,466,995.20x = 2,430,226,893,546,455
  5. Step 5: Solve for x
    x = 2,430,226,893,546,455/52,466,995.20
  6. Step 6: Final answer
    x = 46,319,155.20

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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.