Home / 233,177,765.10-321,669,089.88-139,025,509.98

Finding the Fourth Proportional to 233,177,765.10, 321,669,089.88 and 139,025,509.98

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Solution

The fourth proportional to 233,177,765.10, 321,669,089.88 and 139,025,509.98 is: 191,785,907.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,177,765.10 : 321,669,089.88 = 139,025,509.98 : x
  2. Step 2: Convert to fraction form
    233,177,765.10/321,669,089.88 = 139,025,509.98/x
  3. Step 3: Cross multiply
    233,177,765.10x = 321,669,089.88 × 139,025,509.98
  4. Step 4: Simplify right side
    233,177,765.10x = 44,720,209,265,369,456
  5. Step 5: Solve for x
    x = 44,720,209,265,369,456/233,177,765.10
  6. Step 6: Final answer
    x = 191,785,907.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.