Home / 76,386,558.06-114,578,714.43-18,878,834.16

Finding the Fourth Proportional to 76,386,558.06, 114,578,714.43 and 18,878,834.16

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Solution

The fourth proportional to 76,386,558.06, 114,578,714.43 and 18,878,834.16 is: 28,317,973.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,386,558.06 : 114,578,714.43 = 18,878,834.16 : x
  2. Step 2: Convert to fraction form
    76,386,558.06/114,578,714.43 = 18,878,834.16/x
  3. Step 3: Cross multiply
    76,386,558.06x = 114,578,714.43 × 18,878,834.16
  4. Step 4: Simplify right side
    76,386,558.06x = 2,163,112,547,989,969
  5. Step 5: Solve for x
    x = 2,163,112,547,989,969/76,386,558.06
  6. Step 6: Final answer
    x = 28,317,973.78

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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.