Home / 74,493,871.58-102,810,492.26-45,124,342.40

Finding the Fourth Proportional to 74,493,871.58, 102,810,492.26 and 45,124,342.40

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Solution

The fourth proportional to 74,493,871.58, 102,810,492.26 and 45,124,342.40 is: 62,277,013.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,493,871.58 : 102,810,492.26 = 45,124,342.40 : x
  2. Step 2: Convert to fraction form
    74,493,871.58/102,810,492.26 = 45,124,342.40/x
  3. Step 3: Cross multiply
    74,493,871.58x = 102,810,492.26 × 45,124,342.40
  4. Step 4: Simplify right side
    74,493,871.58x = 4,639,255,854,313,116
  5. Step 5: Solve for x
    x = 4,639,255,854,313,116/74,493,871.58
  6. Step 6: Final answer
    x = 62,277,013.62

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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.