Home / 70,148,885,815.54-96,806,718,114.29-38,035,330,447.42

Finding the Fourth Proportional to 70,148,885,815.54, 96,806,718,114.29 and 38,035,330,447.42

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Solution

The fourth proportional to 70,148,885,815.54, 96,806,718,114.29 and 38,035,330,447.42 is: 52,489,436,862.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,148,885,815.54 : 96,806,718,114.29 = 38,035,330,447.42 : x
  2. Step 2: Convert to fraction form
    70,148,885,815.54/96,806,718,114.29 = 38,035,330,447.42/x
  3. Step 3: Cross multiply
    70,148,885,815.54x = 96,806,718,114.29 × 38,035,330,447.42
  4. Step 4: Simplify right side
    70,148,885,815.54x = 3,682,075,513,007,258,992,640
  5. Step 5: Solve for x
    x = 3,682,075,513,007,258,992,640/70,148,885,815.54
  6. Step 6: Final answer
    x = 52,489,436,862.75

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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.