Home / 88,878,547.76-133,322,283.12-28,298,997.68

Finding the Fourth Proportional to 88,878,547.76, 133,322,283.12 and 28,298,997.68

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Solution

The fourth proportional to 88,878,547.76, 133,322,283.12 and 28,298,997.68 is: 42,449,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,878,547.76 : 133,322,283.12 = 28,298,997.68 : x
  2. Step 2: Convert to fraction form
    88,878,547.76/133,322,283.12 = 28,298,997.68/x
  3. Step 3: Cross multiply
    88,878,547.76x = 133,322,283.12 × 28,298,997.68
  4. Step 4: Simplify right side
    88,878,547.76x = 3,772,886,980,705,183.50
  5. Step 5: Solve for x
    x = 3,772,886,980,705,183.50/88,878,547.76
  6. Step 6: Final answer
    x = 42,449,917.06

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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.