Home / 70,125,368.40-96,771,150.36-39,185,791.92

Finding the Fourth Proportional to 70,125,368.40, 96,771,150.36 and 39,185,791.92

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Solution

The fourth proportional to 70,125,368.40, 96,771,150.36 and 39,185,791.92 is: 54,075,354.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,125,368.40 : 96,771,150.36 = 39,185,791.92 : x
  2. Step 2: Convert to fraction form
    70,125,368.40/96,771,150.36 = 39,185,791.92/x
  3. Step 3: Cross multiply
    70,125,368.40x = 96,771,150.36 × 39,185,791.92
  4. Step 4: Simplify right side
    70,125,368.40x = 3,792,054,161,865,993
  5. Step 5: Solve for x
    x = 3,792,054,161,865,993/70,125,368.40
  6. Step 6: Final answer
    x = 54,075,354.59

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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.