Home / 112,447,101,396.80-155,179,855,068.60-61,698,030,610.64

Finding the Fourth Proportional to 112,447,101,396.80, 155,179,855,068.60 and 61,698,030,610.64

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Solution

The fourth proportional to 112,447,101,396.80, 155,179,855,068.60 and 61,698,030,610.64 is: 85,144,848,815.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,447,101,396.80 : 155,179,855,068.60 = 61,698,030,610.64 : x
  2. Step 2: Convert to fraction form
    112,447,101,396.80/155,179,855,068.60 = 61,698,030,610.64/x
  3. Step 3: Cross multiply
    112,447,101,396.80x = 155,179,855,068.60 × 61,698,030,610.64
  4. Step 4: Simplify right side
    112,447,101,396.80x = 9,574,291,448,177,161,666,560
  5. Step 5: Solve for x
    x = 9,574,291,448,177,161,666,560/112,447,101,396.80
  6. Step 6: Final answer
    x = 85,144,848,815.55

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1.5x scale

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.