Home / 157,760,681.80-236,641,022.70-155,493,200.20

Finding the Fourth Proportional to 157,760,681.80, 236,641,022.70 and 155,493,200.20

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Solution

The fourth proportional to 157,760,681.80, 236,641,022.70 and 155,493,200.20 is: 233,239,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,760,681.80 : 236,641,022.70 = 155,493,200.20 : x
  2. Step 2: Convert to fraction form
    157,760,681.80/236,641,022.70 = 155,493,200.20/x
  3. Step 3: Cross multiply
    157,760,681.80x = 236,641,022.70 × 155,493,200.20
  4. Step 4: Simplify right side
    157,760,681.80x = 36,796,069,918,223,840
  5. Step 5: Solve for x
    x = 36,796,069,918,223,840/157,760,681.80
  6. Step 6: Final answer
    x = 233,239,800.30

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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.