Home / 378,330,131.80-567,495,197.70-105,700,461.40

Finding the Fourth Proportional to 378,330,131.80, 567,495,197.70 and 105,700,461.40

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Solution

The fourth proportional to 378,330,131.80, 567,495,197.70 and 105,700,461.40 is: 158,550,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,330,131.80 : 567,495,197.70 = 105,700,461.40 : x
  2. Step 2: Convert to fraction form
    378,330,131.80/567,495,197.70 = 105,700,461.40/x
  3. Step 3: Cross multiply
    378,330,131.80x = 567,495,197.70 × 105,700,461.40
  4. Step 4: Simplify right side
    378,330,131.80x = 59,984,504,239,174,224
  5. Step 5: Solve for x
    x = 59,984,504,239,174,224/378,330,131.80
  6. Step 6: Final answer
    x = 158,550,692.10

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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.