Home / 85,377,038.55-117,820,287.50-46,218,786.63

Finding the Fourth Proportional to 85,377,038.55, 117,820,287.50 and 46,218,786.63

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Solution

The fourth proportional to 85,377,038.55, 117,820,287.50 and 46,218,786.63 is: 63,781,911.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377,038.55 : 117,820,287.50 = 46,218,786.63 : x
  2. Step 2: Convert to fraction form
    85,377,038.55/117,820,287.50 = 46,218,786.63/x
  3. Step 3: Cross multiply
    85,377,038.55x = 117,820,287.50 × 46,218,786.63
  4. Step 4: Simplify right side
    85,377,038.55x = 5,445,510,728,416,663
  5. Step 5: Solve for x
    x = 5,445,510,728,416,663/85,377,038.55
  6. Step 6: Final answer
    x = 63,781,911.63

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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.