Home / 85,377,206.66-117,820,583.19-46,218,982.13

Finding the Fourth Proportional to 85,377,206.66, 117,820,583.19 and 46,218,982.13

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Solution

The fourth proportional to 85,377,206.66, 117,820,583.19 and 46,218,982.13 is: 63,782,215.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,377,206.66 : 117,820,583.19 = 46,218,982.13 : x
  2. Step 2: Convert to fraction form
    85,377,206.66/117,820,583.19 = 46,218,982.13/x
  3. Step 3: Cross multiply
    85,377,206.66x = 117,820,583.19 × 46,218,982.13
  4. Step 4: Simplify right side
    85,377,206.66x = 5,445,547,428,415,685
  5. Step 5: Solve for x
    x = 5,445,547,428,415,685/85,377,206.66
  6. Step 6: Final answer
    x = 63,782,215.91

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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.