Home / 342,144,289.60-513,216,434.40-86,842,657.60

Finding the Fourth Proportional to 342,144,289.60, 513,216,434.40 and 86,842,657.60

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Solution

The fourth proportional to 342,144,289.60, 513,216,434.40 and 86,842,657.60 is: 130,263,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,144,289.60 : 513,216,434.40 = 86,842,657.60 : x
  2. Step 2: Convert to fraction form
    342,144,289.60/513,216,434.40 = 86,842,657.60/x
  3. Step 3: Cross multiply
    342,144,289.60x = 513,216,434.40 × 86,842,657.60
  4. Step 4: Simplify right side
    342,144,289.60x = 44,569,079,087,292,056
  5. Step 5: Solve for x
    x = 44,569,079,087,292,056/342,144,289.60
  6. Step 6: Final answer
    x = 130,263,986.40

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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.