Home / 74,689,705,138.51-103,074,251,531.66-40,856,225,989.87

Finding the Fourth Proportional to 74,689,705,138.51, 103,074,251,531.66 and 40,856,225,989.87

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Solution

The fourth proportional to 74,689,705,138.51, 103,074,251,531.66 and 40,856,225,989.87 is: 56,382,936,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,689,705,138.51 : 103,074,251,531.66 = 40,856,225,989.87 : x
  2. Step 2: Convert to fraction form
    74,689,705,138.51/103,074,251,531.66 = 40,856,225,989.87/x
  3. Step 3: Cross multiply
    74,689,705,138.51x = 103,074,251,531.66 × 40,856,225,989.87
  4. Step 4: Simplify right side
    74,689,705,138.51x = 4,211,224,914,313,689,432,064
  5. Step 5: Solve for x
    x = 4,211,224,914,313,689,432,064/74,689,705,138.51
  6. Step 6: Final answer
    x = 56,382,936,664.49

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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.