Home / 155,546,534.56-214,666,767.12-85,937,994.40

Finding the Fourth Proportional to 155,546,534.56, 214,666,767.12 and 85,937,994.40

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Solution

The fourth proportional to 155,546,534.56, 214,666,767.12 and 85,937,994.40 is: 118,601,365.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,546,534.56 : 214,666,767.12 = 85,937,994.40 : x
  2. Step 2: Convert to fraction form
    155,546,534.56/214,666,767.12 = 85,937,994.40/x
  3. Step 3: Cross multiply
    155,546,534.56x = 214,666,767.12 × 85,937,994.40
  4. Step 4: Simplify right side
    155,546,534.56x = 18,448,031,430,624,664
  5. Step 5: Solve for x
    x = 18,448,031,430,624,664/155,546,534.56
  6. Step 6: Final answer
    x = 118,601,365.71

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1.5x scale

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.