Home / 141,178,050.64-194,830,435.65-78,456,792.52

Finding the Fourth Proportional to 141,178,050.64, 194,830,435.65 and 78,456,792.52

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Solution

The fourth proportional to 141,178,050.64, 194,830,435.65 and 78,456,792.52 is: 108,272,999.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,178,050.64 : 194,830,435.65 = 78,456,792.52 : x
  2. Step 2: Convert to fraction form
    141,178,050.64/194,830,435.65 = 78,456,792.52/x
  3. Step 3: Cross multiply
    141,178,050.64x = 194,830,435.65 × 78,456,792.52
  4. Step 4: Simplify right side
    141,178,050.64x = 15,285,771,066,373,260
  5. Step 5: Solve for x
    x = 15,285,771,066,373,260/141,178,050.64
  6. Step 6: Final answer
    x = 108,272,999.93

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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.