Home / 251,950,986.40-377,926,479.60-124,549,002.40

Finding the Fourth Proportional to 251,950,986.40, 377,926,479.60 and 124,549,002.40

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Solution

The fourth proportional to 251,950,986.40, 377,926,479.60 and 124,549,002.40 is: 186,823,503.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,950,986.40 : 377,926,479.60 = 124,549,002.40 : x
  2. Step 2: Convert to fraction form
    251,950,986.40/377,926,479.60 = 124,549,002.40/x
  3. Step 3: Cross multiply
    251,950,986.40x = 377,926,479.60 × 124,549,002.40
  4. Step 4: Simplify right side
    251,950,986.40x = 47,070,366,014,723,960
  5. Step 5: Solve for x
    x = 47,070,366,014,723,960/251,950,986.40
  6. Step 6: Final answer
    x = 186,823,503.60

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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.