Home / 135,341,784.74-186,766,830.45-76,603,188.72

Finding the Fourth Proportional to 135,341,784.74, 186,766,830.45 and 76,603,188.72

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Solution

The fourth proportional to 135,341,784.74, 186,766,830.45 and 76,603,188.72 is: 105,709,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,341,784.74 : 186,766,830.45 = 76,603,188.72 : x
  2. Step 2: Convert to fraction form
    135,341,784.74/186,766,830.45 = 76,603,188.72/x
  3. Step 3: Cross multiply
    135,341,784.74x = 186,766,830.45 × 76,603,188.72
  4. Step 4: Simplify right side
    135,341,784.74x = 14,306,934,759,597,592
  5. Step 5: Solve for x
    x = 14,306,934,759,597,592/135,341,784.74
  6. Step 6: Final answer
    x = 105,709,665.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.