Home / 247,076,838.95-370,520,878.43-83,270,582.69

Finding the Fourth Proportional to 247,076,838.95, 370,520,878.43 and 83,270,582.69

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Solution

The fourth proportional to 247,076,838.95, 370,520,878.43 and 83,270,582.69 is: 124,874,065.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,076,838.95 : 370,520,878.43 = 83,270,582.69 : x
  2. Step 2: Convert to fraction form
    247,076,838.95/370,520,878.43 = 83,270,582.69/x
  3. Step 3: Cross multiply
    247,076,838.95x = 370,520,878.43 × 83,270,582.69
  4. Step 4: Simplify right side
    247,076,838.95x = 30,853,489,444,032,324
  5. Step 5: Solve for x
    x = 30,853,489,444,032,324/247,076,838.95
  6. Step 6: Final answer
    x = 124,874,065.80

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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.