Home / 144,709,872,865.29-199,698,522,483.33-79,602,901,784.85

Finding the Fourth Proportional to 144,709,872,865.29, 199,698,522,483.33 and 79,602,901,784.85

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Solution

The fourth proportional to 144,709,872,865.29, 199,698,522,483.33 and 79,602,901,784.85 is: 109,851,398,229.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,709,872,865.29 : 199,698,522,483.33 = 79,602,901,784.85 : x
  2. Step 2: Convert to fraction form
    144,709,872,865.29/199,698,522,483.33 = 79,602,901,784.85/x
  3. Step 3: Cross multiply
    144,709,872,865.29x = 199,698,522,483.33 × 79,602,901,784.85
  4. Step 4: Simplify right side
    144,709,872,865.29x = 15,896,581,871,820,177,670,144
  5. Step 5: Solve for x
    x = 15,896,581,871,820,177,670,144/144,709,872,865.29
  6. Step 6: Final answer
    x = 109,851,398,229.19

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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.