Home / 187,272,014.80-280,908,022.20-157,038,926.80

Finding the Fourth Proportional to 187,272,014.80, 280,908,022.20 and 157,038,926.80

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Solution

The fourth proportional to 187,272,014.80, 280,908,022.20 and 157,038,926.80 is: 235,558,390.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,272,014.80 : 280,908,022.20 = 157,038,926.80 : x
  2. Step 2: Convert to fraction form
    187,272,014.80/280,908,022.20 = 157,038,926.80/x
  3. Step 3: Cross multiply
    187,272,014.80x = 280,908,022.20 × 157,038,926.80
  4. Step 4: Simplify right side
    187,272,014.80x = 44,113,494,335,798,576
  5. Step 5: Solve for x
    x = 44,113,494,335,798,576/187,272,014.80
  6. Step 6: Final answer
    x = 235,558,390.20

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1.5x scale

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.