Home / 161,776,161.64-223,292,626.32-99,860,923.18

Finding the Fourth Proportional to 161,776,161.64, 223,292,626.32 and 99,860,923.18

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Solution

The fourth proportional to 161,776,161.64, 223,292,626.32 and 99,860,923.18 is: 137,833,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,776,161.64 : 223,292,626.32 = 99,860,923.18 : x
  2. Step 2: Convert to fraction form
    161,776,161.64/223,292,626.32 = 99,860,923.18/x
  3. Step 3: Cross multiply
    161,776,161.64x = 223,292,626.32 × 99,860,923.18
  4. Step 4: Simplify right side
    161,776,161.64x = 22,298,207,803,601,968
  5. Step 5: Solve for x
    x = 22,298,207,803,601,968/161,776,161.64
  6. Step 6: Final answer
    x = 137,833,705.40

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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.