Home / 103,708,732,696.79-143,038,809,775.89-89,265,017,535.80

Finding the Fourth Proportional to 103,708,732,696.79, 143,038,809,775.89 and 89,265,017,535.80

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Solution

The fourth proportional to 103,708,732,696.79, 143,038,809,775.89 and 89,265,017,535.80 is: 123,117,518,948.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,708,732,696.79 : 143,038,809,775.89 = 89,265,017,535.80 : x
  2. Step 2: Convert to fraction form
    103,708,732,696.79/143,038,809,775.89 = 89,265,017,535.80/x
  3. Step 3: Cross multiply
    103,708,732,696.79x = 143,038,809,775.89 × 89,265,017,535.80
  4. Step 4: Simplify right side
    103,708,732,696.79x = 12,768,361,862,944,067,158,016
  5. Step 5: Solve for x
    x = 12,768,361,862,944,067,158,016/103,708,732,696.79
  6. Step 6: Final answer
    x = 123,117,518,948.71

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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.