Home / 89,905,145.52-124,069,100.88-48,652,037.84

Finding the Fourth Proportional to 89,905,145.52, 124,069,100.88 and 48,652,037.84

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Solution

The fourth proportional to 89,905,145.52, 124,069,100.88 and 48,652,037.84 is: 67,139,812.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,905,145.52 : 124,069,100.88 = 48,652,037.84 : x
  2. Step 2: Convert to fraction form
    89,905,145.52/124,069,100.88 = 48,652,037.84/x
  3. Step 3: Cross multiply
    89,905,145.52x = 124,069,100.88 × 48,652,037.84
  4. Step 4: Simplify right side
    89,905,145.52x = 6,036,214,590,788,538
  5. Step 5: Solve for x
    x = 6,036,214,590,788,538/89,905,145.52
  6. Step 6: Final answer
    x = 67,139,812.25

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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.