Home / 85,657,106,361.58-118,209,641,625.51-47,077,393,716.70

Finding the Fourth Proportional to 85,657,106,361.58, 118,209,641,625.51 and 47,077,393,716.70

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Solution

The fourth proportional to 85,657,106,361.58, 118,209,641,625.51 and 47,077,393,716.70 is: 64,968,361,368.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,657,106,361.58 : 118,209,641,625.51 = 47,077,393,716.70 : x
  2. Step 2: Convert to fraction form
    85,657,106,361.58/118,209,641,625.51 = 47,077,393,716.70/x
  3. Step 3: Cross multiply
    85,657,106,361.58x = 118,209,641,625.51 × 47,077,393,716.70
  4. Step 4: Simplify right side
    85,657,106,361.58x = 5,565,001,839,914,142,138,368
  5. Step 5: Solve for x
    x = 5,565,001,839,914,142,138,368/85,657,106,361.58
  6. Step 6: Final answer
    x = 64,968,361,368.91

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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.