Home / 72,721,111,225.46-100,424,442,929.01-68,759,310,660.98

Finding the Fourth Proportional to 72,721,111,225.46, 100,424,442,929.01 and 68,759,310,660.98

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Solution

The fourth proportional to 72,721,111,225.46, 100,424,442,929.01 and 68,759,310,660.98 is: 94,953,382,215.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,721,111,225.46 : 100,424,442,929.01 = 68,759,310,660.98 : x
  2. Step 2: Convert to fraction form
    72,721,111,225.46/100,424,442,929.01 = 68,759,310,660.98/x
  3. Step 3: Cross multiply
    72,721,111,225.46x = 100,424,442,929.01 × 68,759,310,660.98
  4. Step 4: Simplify right side
    72,721,111,225.46x = 6,905,115,469,311,654,232,064
  5. Step 5: Solve for x
    x = 6,905,115,469,311,654,232,064/72,721,111,225.46
  6. Step 6: Final answer
    x = 94,953,382,215.29

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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.