Home / 74,745,442,125.12-103,149,353,280.72-42,632,430,196.80

Finding the Fourth Proportional to 74,745,442,125.12, 103,149,353,280.72 and 42,632,430,196.80

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Solution

The fourth proportional to 74,745,442,125.12, 103,149,353,280.72 and 42,632,430,196.80 is: 58,833,120,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,745,442,125.12 : 103,149,353,280.72 = 42,632,430,196.80 : x
  2. Step 2: Convert to fraction form
    74,745,442,125.12/103,149,353,280.72 = 42,632,430,196.80/x
  3. Step 3: Cross multiply
    74,745,442,125.12x = 103,149,353,280.72 × 42,632,430,196.80
  4. Step 4: Simplify right side
    74,745,442,125.12x = 4,397,507,603,585,358,626,816
  5. Step 5: Solve for x
    x = 4,397,507,603,585,358,626,816/74,745,442,125.12
  6. Step 6: Final answer
    x = 58,833,120,502.84

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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.