Home / 191,124,064.20-286,756,955.10-76,191,090.60

Finding the Fourth Proportional to 191,124,064.20, 286,756,955.10 and 76,191,090.60

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Solution

The fourth proportional to 191,124,064.20, 286,756,955.10 and 76,191,090.60 is: 114,314,883.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,124,064.20 : 286,756,955.10 = 76,191,090.60 : x
  2. Step 2: Convert to fraction form
    191,124,064.20/286,756,955.10 = 76,191,090.60/x
  3. Step 3: Cross multiply
    191,124,064.20x = 286,756,955.10 × 76,191,090.60
  4. Step 4: Simplify right side
    191,124,064.20x = 21,848,325,146,204,232
  5. Step 5: Solve for x
    x = 21,848,325,146,204,232/191,124,064.20
  6. Step 6: Final answer
    x = 114,314,883.57

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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.