Home / 124,178,073.84-171,370,903.96-69,173,915.12

Finding the Fourth Proportional to 124,178,073.84, 171,370,903.96 and 69,173,915.12

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Solution

The fourth proportional to 124,178,073.84, 171,370,903.96 and 69,173,915.12 is: 95,462,878.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,178,073.84 : 171,370,903.96 = 69,173,915.12 : x
  2. Step 2: Convert to fraction form
    124,178,073.84/171,370,903.96 = 69,173,915.12/x
  3. Step 3: Cross multiply
    124,178,073.84x = 171,370,903.96 × 69,173,915.12
  4. Step 4: Simplify right side
    124,178,073.84x = 11,854,396,364,566,714
  5. Step 5: Solve for x
    x = 11,854,396,364,566,714/124,178,073.84
  6. Step 6: Final answer
    x = 95,462,878.41

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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.