Home / 112,776,756.60-155,641,441.26-63,216,338.04

Finding the Fourth Proportional to 112,776,756.60, 155,641,441.26 and 63,216,338.04

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Solution

The fourth proportional to 112,776,756.60, 155,641,441.26 and 63,216,338.04 is: 87,243,881.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,776,756.60 : 155,641,441.26 = 63,216,338.04 : x
  2. Step 2: Convert to fraction form
    112,776,756.60/155,641,441.26 = 63,216,338.04/x
  3. Step 3: Cross multiply
    112,776,756.60x = 155,641,441.26 × 63,216,338.04
  4. Step 4: Simplify right side
    112,776,756.60x = 9,839,081,963,724,962
  5. Step 5: Solve for x
    x = 9,839,081,963,724,962/112,776,756.60
  6. Step 6: Final answer
    x = 87,243,881.28

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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.