Home / 147,693,639.60-221,540,459.40-130,687,527.60

Finding the Fourth Proportional to 147,693,639.60, 221,540,459.40 and 130,687,527.60

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Solution

The fourth proportional to 147,693,639.60, 221,540,459.40 and 130,687,527.60 is: 196,031,291.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,693,639.60 : 221,540,459.40 = 130,687,527.60 : x
  2. Step 2: Convert to fraction form
    147,693,639.60/221,540,459.40 = 130,687,527.60/x
  3. Step 3: Cross multiply
    147,693,639.60x = 221,540,459.40 × 130,687,527.60
  4. Step 4: Simplify right side
    147,693,639.60x = 28,952,574,902,354,180
  5. Step 5: Solve for x
    x = 28,952,574,902,354,180/147,693,639.60
  6. Step 6: Final answer
    x = 196,031,291.40

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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.