Home / 281,037,113.30-387,822,886.77-155,594,900

Finding the Fourth Proportional to 281,037,113.30, 387,822,886.77 and 155,594,900

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Solution

The fourth proportional to 281,037,113.30, 387,822,886.77 and 155,594,900 is: 214,716,350.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,037,113.30 : 387,822,886.77 = 155,594,900 : x
  2. Step 2: Convert to fraction form
    281,037,113.30/387,822,886.77 = 155,594,900/x
  3. Step 3: Cross multiply
    281,037,113.30x = 387,822,886.77 × 155,594,900
  4. Step 4: Simplify right side
    281,037,113.30x = 60,343,263,284,689,472
  5. Step 5: Solve for x
    x = 60,343,263,284,689,472/281,037,113.30
  6. Step 6: Final answer
    x = 214,716,350.36

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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.