Home / 99,677,904.30-149,516,856.45-65,637,686.70

Finding the Fourth Proportional to 99,677,904.30, 149,516,856.45 and 65,637,686.70

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Solution

The fourth proportional to 99,677,904.30, 149,516,856.45 and 65,637,686.70 is: 98,456,530.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,677,904.30 : 149,516,856.45 = 65,637,686.70 : x
  2. Step 2: Convert to fraction form
    99,677,904.30/149,516,856.45 = 65,637,686.70/x
  3. Step 3: Cross multiply
    99,677,904.30x = 149,516,856.45 × 65,637,686.70
  4. Step 4: Simplify right side
    99,677,904.30x = 9,813,940,580,033,974
  5. Step 5: Solve for x
    x = 9,813,940,580,033,974/99,677,904.30
  6. Step 6: Final answer
    x = 98,456,530.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.