Home / 130,005,420.40-195,008,130.60-43,715,148.40

Finding the Fourth Proportional to 130,005,420.40, 195,008,130.60 and 43,715,148.40

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Solution

The fourth proportional to 130,005,420.40, 195,008,130.60 and 43,715,148.40 is: 65,572,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,005,420.40 : 195,008,130.60 = 43,715,148.40 : x
  2. Step 2: Convert to fraction form
    130,005,420.40/195,008,130.60 = 43,715,148.40/x
  3. Step 3: Cross multiply
    130,005,420.40x = 195,008,130.60 × 43,715,148.40
  4. Step 4: Simplify right side
    130,005,420.40x = 8,524,809,368,385,580
  5. Step 5: Solve for x
    x = 8,524,809,368,385,580/130,005,420.40
  6. Step 6: Final answer
    x = 65,572,722.60

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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.