Home / 145,008,111,689.92-200,102,177,637.86-79,898,895,406.35

Finding the Fourth Proportional to 145,008,111,689.92, 200,102,177,637.86 and 79,898,895,406.35

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Solution

The fourth proportional to 145,008,111,689.92, 200,102,177,637.86 and 79,898,895,406.35 is: 110,255,507,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,008,111,689.92 : 200,102,177,637.86 = 79,898,895,406.35 : x
  2. Step 2: Convert to fraction form
    145,008,111,689.92/200,102,177,637.86 = 79,898,895,406.35/x
  3. Step 3: Cross multiply
    145,008,111,689.92x = 200,102,177,637.86 × 79,898,895,406.35
  4. Step 4: Simplify right side
    145,008,111,689.92x = 15,987,942,961,671,043,022,848
  5. Step 5: Solve for x
    x = 15,987,942,961,671,043,022,848/145,008,111,689.92
  6. Step 6: Final answer
    x = 110,255,507,608.15

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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.