Home / 48,280,075.20-72,420,112.80-43,018,809.30

Finding the Fourth Proportional to 48,280,075.20, 72,420,112.80 and 43,018,809.30

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Solution

The fourth proportional to 48,280,075.20, 72,420,112.80 and 43,018,809.30 is: 64,528,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,280,075.20 : 72,420,112.80 = 43,018,809.30 : x
  2. Step 2: Convert to fraction form
    48,280,075.20/72,420,112.80 = 43,018,809.30/x
  3. Step 3: Cross multiply
    48,280,075.20x = 72,420,112.80 × 43,018,809.30
  4. Step 4: Simplify right side
    48,280,075.20x = 3,115,427,022,027,688.50
  5. Step 5: Solve for x
    x = 3,115,427,022,027,688.50/48,280,075.20
  6. Step 6: Final answer
    x = 64,528,213.95

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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.