Home / 71,157,085.84-98,196,862.46-38,562,037.84

Finding the Fourth Proportional to 71,157,085.84, 98,196,862.46 and 38,562,037.84

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Solution

The fourth proportional to 71,157,085.84, 98,196,862.46 and 38,562,037.84 is: 53,215,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,157,085.84 : 98,196,862.46 = 38,562,037.84 : x
  2. Step 2: Convert to fraction form
    71,157,085.84/98,196,862.46 = 38,562,037.84/x
  3. Step 3: Cross multiply
    71,157,085.84x = 98,196,862.46 × 38,562,037.84
  4. Step 4: Simplify right side
    71,157,085.84x = 3,786,671,125,951,795.50
  5. Step 5: Solve for x
    x = 3,786,671,125,951,795.50/71,157,085.84
  6. Step 6: Final answer
    x = 53,215,657.74

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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.