Home / 78,480,255-108,302,751.90-44,141,439

Finding the Fourth Proportional to 78,480,255, 108,302,751.90 and 44,141,439

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Solution

The fourth proportional to 78,480,255, 108,302,751.90 and 44,141,439 is: 60,915,185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,480,255 : 108,302,751.90 = 44,141,439 : x
  2. Step 2: Convert to fraction form
    78,480,255/108,302,751.90 = 44,141,439/x
  3. Step 3: Cross multiply
    78,480,255x = 108,302,751.90 × 44,141,439
  4. Step 4: Simplify right side
    78,480,255x = 4,780,639,316,525,984
  5. Step 5: Solve for x
    x = 4,780,639,316,525,984/78,480,255
  6. Step 6: Final answer
    x = 60,915,185.82

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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.