Home / 130,471,130.40-195,706,695.60-39,594,573.60

Finding the Fourth Proportional to 130,471,130.40, 195,706,695.60 and 39,594,573.60

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Solution

The fourth proportional to 130,471,130.40, 195,706,695.60 and 39,594,573.60 is: 59,391,860.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,471,130.40 : 195,706,695.60 = 39,594,573.60 : x
  2. Step 2: Convert to fraction form
    130,471,130.40/195,706,695.60 = 39,594,573.60/x
  3. Step 3: Cross multiply
    130,471,130.40x = 195,706,695.60 × 39,594,573.60
  4. Step 4: Simplify right side
    130,471,130.40x = 7,748,923,162,946,996
  5. Step 5: Solve for x
    x = 7,748,923,162,946,996/130,471,130.40
  6. Step 6: Final answer
    x = 59,391,860.40

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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.