Home / 52,163,977.80-78,245,966.70-43,723,907.40

Finding the Fourth Proportional to 52,163,977.80, 78,245,966.70 and 43,723,907.40

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Solution

The fourth proportional to 52,163,977.80, 78,245,966.70 and 43,723,907.40 is: 65,585,861.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,163,977.80 : 78,245,966.70 = 43,723,907.40 : x
  2. Step 2: Convert to fraction form
    52,163,977.80/78,245,966.70 = 43,723,907.40/x
  3. Step 3: Cross multiply
    52,163,977.80x = 78,245,966.70 × 43,723,907.40
  4. Step 4: Simplify right side
    52,163,977.80x = 3,421,219,402,414,283.50
  5. Step 5: Solve for x
    x = 3,421,219,402,414,283.50/52,163,977.80
  6. Step 6: Final answer
    x = 65,585,861.10

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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.