Home / 127,698,931.92-176,224,525.60-68,961,593.76

Finding the Fourth Proportional to 127,698,931.92, 176,224,525.60 and 68,961,593.76

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Solution

The fourth proportional to 127,698,931.92, 176,224,525.60 and 68,961,593.76 is: 95,166,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,698,931.92 : 176,224,525.60 = 68,961,593.76 : x
  2. Step 2: Convert to fraction form
    127,698,931.92/176,224,525.60 = 68,961,593.76/x
  3. Step 3: Cross multiply
    127,698,931.92x = 176,224,525.60 × 68,961,593.76
  4. Step 4: Simplify right side
    127,698,931.92x = 12,152,724,144,975,920
  5. Step 5: Solve for x
    x = 12,152,724,144,975,920/127,698,931.92
  6. Step 6: Final answer
    x = 95,166,999.15

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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.