Home / 119,780,402.20-179,670,603.30-118,772,632.60

Finding the Fourth Proportional to 119,780,402.20, 179,670,603.30 and 118,772,632.60

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Solution

The fourth proportional to 119,780,402.20, 179,670,603.30 and 118,772,632.60 is: 178,158,948.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,780,402.20 : 179,670,603.30 = 118,772,632.60 : x
  2. Step 2: Convert to fraction form
    119,780,402.20/179,670,603.30 = 118,772,632.60/x
  3. Step 3: Cross multiply
    119,780,402.20x = 179,670,603.30 × 118,772,632.60
  4. Step 4: Simplify right side
    119,780,402.20x = 21,339,950,554,771,248
  5. Step 5: Solve for x
    x = 21,339,950,554,771,248/119,780,402.20
  6. Step 6: Final answer
    x = 178,158,948.90

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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.