Home / 247,061,020.86-370,464,871.32-130,539,038.40

Finding the Fourth Proportional to 247,061,020.86, 370,464,871.32 and 130,539,038.40

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Solution

The fourth proportional to 247,061,020.86, 370,464,871.32 and 130,539,038.40 is: 195,741,634.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,061,020.86 : 370,464,871.32 = 130,539,038.40 : x
  2. Step 2: Convert to fraction form
    247,061,020.86/370,464,871.32 = 130,539,038.40/x
  3. Step 3: Cross multiply
    247,061,020.86x = 370,464,871.32 × 130,539,038.40
  4. Step 4: Simplify right side
    247,061,020.86x = 48,360,128,063,092,536
  5. Step 5: Solve for x
    x = 48,360,128,063,092,536/247,061,020.86
  6. Step 6: Final answer
    x = 195,741,634.58

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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.