Home / 118,378,607.90-163,362,421.23-69,486,035.90

Finding the Fourth Proportional to 118,378,607.90, 163,362,421.23 and 69,486,035.90

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Solution

The fourth proportional to 118,378,607.90, 163,362,421.23 and 69,486,035.90 is: 95,890,695.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,378,607.90 : 163,362,421.23 = 69,486,035.90 : x
  2. Step 2: Convert to fraction form
    118,378,607.90/163,362,421.23 = 69,486,035.90/x
  3. Step 3: Cross multiply
    118,378,607.90x = 163,362,421.23 × 69,486,035.90
  4. Step 4: Simplify right side
    118,378,607.90x = 11,351,407,066,298,702
  5. Step 5: Solve for x
    x = 11,351,407,066,298,702/118,378,607.90
  6. Step 6: Final answer
    x = 95,890,695.69

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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.