Home / 55,971,056.79-77,240,132.55-31,190,700.06

Finding the Fourth Proportional to 55,971,056.79, 77,240,132.55 and 31,190,700.06

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Solution

The fourth proportional to 55,971,056.79, 77,240,132.55 and 31,190,700.06 is: 43,043,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,971,056.79 : 77,240,132.55 = 31,190,700.06 : x
  2. Step 2: Convert to fraction form
    55,971,056.79/77,240,132.55 = 31,190,700.06/x
  3. Step 3: Cross multiply
    55,971,056.79x = 77,240,132.55 × 31,190,700.06
  4. Step 4: Simplify right side
    55,971,056.79x = 2,409,173,806,961,693
  5. Step 5: Solve for x
    x = 2,409,173,806,961,693/55,971,056.79
  6. Step 6: Final answer
    x = 43,043,207.42

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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.