Home / 67,716,091.20-101,574,136.80-47,308,756.80

Finding the Fourth Proportional to 67,716,091.20, 101,574,136.80 and 47,308,756.80

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Solution

The fourth proportional to 67,716,091.20, 101,574,136.80 and 47,308,756.80 is: 70,963,135.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,716,091.20 : 101,574,136.80 = 47,308,756.80 : x
  2. Step 2: Convert to fraction form
    67,716,091.20/101,574,136.80 = 47,308,756.80/x
  3. Step 3: Cross multiply
    67,716,091.20x = 101,574,136.80 × 47,308,756.80
  4. Step 4: Simplify right side
    67,716,091.20x = 4,805,346,135,041,130
  5. Step 5: Solve for x
    x = 4,805,346,135,041,130/67,716,091.20
  6. Step 6: Final answer
    x = 70,963,135.20

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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.