Home / 85,657,106,361.33-118,209,641,625.16-47,077,393,716.45

Finding the Fourth Proportional to 85,657,106,361.33, 118,209,641,625.16 and 47,077,393,716.45

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Solution

The fourth proportional to 85,657,106,361.33, 118,209,641,625.16 and 47,077,393,716.45 is: 64,968,361,368.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,657,106,361.33 : 118,209,641,625.16 = 47,077,393,716.45 : x
  2. Step 2: Convert to fraction form
    85,657,106,361.33/118,209,641,625.16 = 47,077,393,716.45/x
  3. Step 3: Cross multiply
    85,657,106,361.33x = 118,209,641,625.16 × 47,077,393,716.45
  4. Step 4: Simplify right side
    85,657,106,361.33x = 5,565,001,839,868,350,824,448
  5. Step 5: Solve for x
    x = 5,565,001,839,868,350,824,448/85,657,106,361.33
  6. Step 6: Final answer
    x = 64,968,361,368.57

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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.