Home / 103,001,365,922.69-142,142,002,816.13-57,274,659,567.02

Finding the Fourth Proportional to 103,001,365,922.69, 142,142,002,816.13 and 57,274,659,567.02

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Solution

The fourth proportional to 103,001,365,922.69, 142,142,002,816.13 and 57,274,659,567.02 is: 79,039,095,729.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,001,365,922.69 : 142,142,002,816.13 = 57,274,659,567.02 : x
  2. Step 2: Convert to fraction form
    103,001,365,922.69/142,142,002,816.13 = 57,274,659,567.02/x
  3. Step 3: Cross multiply
    103,001,365,922.69x = 142,142,002,816.13 × 57,274,659,567.02
  4. Step 4: Simplify right side
    103,001,365,922.69x = 8,141,134,821,468,386,885,632
  5. Step 5: Solve for x
    x = 8,141,134,821,468,386,885,632/103,001,365,922.69
  6. Step 6: Final answer
    x = 79,039,095,729.85

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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.