Home / 85,445,643.69-117,914,881.75-46,287,582.30

Finding the Fourth Proportional to 85,445,643.69, 117,914,881.75 and 46,287,582.30

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Solution

The fourth proportional to 85,445,643.69, 117,914,881.75 and 46,287,582.30 is: 63,876,805.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,445,643.69 : 117,914,881.75 = 46,287,582.30 : x
  2. Step 2: Convert to fraction form
    85,445,643.69/117,914,881.75 = 46,287,582.30/x
  3. Step 3: Cross multiply
    85,445,643.69x = 117,914,881.75 × 46,287,582.30
  4. Step 4: Simplify right side
    85,445,643.69x = 5,457,994,793,282,174
  5. Step 5: Solve for x
    x = 5,457,994,793,282,174/85,445,643.69
  6. Step 6: Final answer
    x = 63,876,805.86

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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.