Home / 72,266,210,121.82-99,730,061,391.11-43,335,110,296.50

Finding the Fourth Proportional to 72,266,210,121.82, 99,730,061,391.11 and 43,335,110,296.50

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Solution

The fourth proportional to 72,266,210,121.82, 99,730,061,391.11 and 43,335,110,296.50 is: 59,804,066,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,266,210,121.82 : 99,730,061,391.11 = 43,335,110,296.50 : x
  2. Step 2: Convert to fraction form
    72,266,210,121.82/99,730,061,391.11 = 43,335,110,296.50/x
  3. Step 3: Cross multiply
    72,266,210,121.82x = 99,730,061,391.11 × 43,335,110,296.50
  4. Step 4: Simplify right side
    72,266,210,121.82x = 4,321,813,210,259,852,361,728
  5. Step 5: Solve for x
    x = 4,321,813,210,259,852,361,728/72,266,210,121.82
  6. Step 6: Final answer
    x = 59,804,066,146.20

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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.