Home / 372,576,090.40-558,864,135.60-130,213,722.40

Finding the Fourth Proportional to 372,576,090.40, 558,864,135.60 and 130,213,722.40

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Solution

The fourth proportional to 372,576,090.40, 558,864,135.60 and 130,213,722.40 is: 195,320,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,576,090.40 : 558,864,135.60 = 130,213,722.40 : x
  2. Step 2: Convert to fraction form
    372,576,090.40/558,864,135.60 = 130,213,722.40/x
  3. Step 3: Cross multiply
    372,576,090.40x = 558,864,135.60 × 130,213,722.40
  4. Step 4: Simplify right side
    372,576,090.40x = 72,771,779,412,334,368
  5. Step 5: Solve for x
    x = 72,771,779,412,334,368/372,576,090.40
  6. Step 6: Final answer
    x = 195,320,583.60

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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.