Home / 133,035,279.15-199,552,918.73-87,648,322.35

Finding the Fourth Proportional to 133,035,279.15, 199,552,918.73 and 87,648,322.35

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Solution

The fourth proportional to 133,035,279.15, 199,552,918.73 and 87,648,322.35 is: 131,472,483.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,035,279.15 : 199,552,918.73 = 87,648,322.35 : x
  2. Step 2: Convert to fraction form
    133,035,279.15/199,552,918.73 = 87,648,322.35/x
  3. Step 3: Cross multiply
    133,035,279.15x = 199,552,918.73 × 87,648,322.35
  4. Step 4: Simplify right side
    133,035,279.15x = 17,490,478,546,730,390
  5. Step 5: Solve for x
    x = 17,490,478,546,730,390/133,035,279.15
  6. Step 6: Final answer
    x = 131,472,483.53

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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.