Home / 270,249,754.80-405,374,632.20-155,458,498.80

Finding the Fourth Proportional to 270,249,754.80, 405,374,632.20 and 155,458,498.80

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Solution

The fourth proportional to 270,249,754.80, 405,374,632.20 and 155,458,498.80 is: 233,187,748.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,249,754.80 : 405,374,632.20 = 155,458,498.80 : x
  2. Step 2: Convert to fraction form
    270,249,754.80/405,374,632.20 = 155,458,498.80/x
  3. Step 3: Cross multiply
    270,249,754.80x = 405,374,632.20 × 155,458,498.80
  4. Step 4: Simplify right side
    270,249,754.80x = 63,018,931,773,414,144
  5. Step 5: Solve for x
    x = 63,018,931,773,414,144/270,249,754.80
  6. Step 6: Final answer
    x = 233,187,748.20

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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.