Home / 49,101,091,856.10-73,651,637,784.15-21,206,816,648.10

Finding the Fourth Proportional to 49,101,091,856.10, 73,651,637,784.15 and 21,206,816,648.10

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Solution

The fourth proportional to 49,101,091,856.10, 73,651,637,784.15 and 21,206,816,648.10 is: 31,810,224,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,101,091,856.10 : 73,651,637,784.15 = 21,206,816,648.10 : x
  2. Step 2: Convert to fraction form
    49,101,091,856.10/73,651,637,784.15 = 21,206,816,648.10/x
  3. Step 3: Cross multiply
    49,101,091,856.10x = 73,651,637,784.15 × 21,206,816,648.10
  4. Step 4: Simplify right side
    49,101,091,856.10x = 1,561,916,778,320,742,842,368
  5. Step 5: Solve for x
    x = 1,561,916,778,320,742,842,368/49,101,091,856.10
  6. Step 6: Final answer
    x = 31,810,224,972.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.