Home / 98,671,525.76-136,165,056.54-54,617,579.48

Finding the Fourth Proportional to 98,671,525.76, 136,165,056.54 and 54,617,579.48

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Solution

The fourth proportional to 98,671,525.76, 136,165,056.54 and 54,617,579.48 is: 75,371,346.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,671,525.76 : 136,165,056.54 = 54,617,579.48 : x
  2. Step 2: Convert to fraction form
    98,671,525.76/136,165,056.54 = 54,617,579.48/x
  3. Step 3: Cross multiply
    98,671,525.76x = 136,165,056.54 × 54,617,579.48
  4. Step 4: Simplify right side
    98,671,525.76x = 7,437,005,797,972,143
  5. Step 5: Solve for x
    x = 7,437,005,797,972,143/98,671,525.76
  6. Step 6: Final answer
    x = 75,371,346.91

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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.