Home / 86,813,223.53-119,801,775.49-47,655,666.50

Finding the Fourth Proportional to 86,813,223.53, 119,801,775.49 and 47,655,666.50

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Solution

The fourth proportional to 86,813,223.53, 119,801,775.49 and 47,655,666.50 is: 65,764,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,813,223.53 : 119,801,775.49 = 47,655,666.50 : x
  2. Step 2: Convert to fraction form
    86,813,223.53/119,801,775.49 = 47,655,666.50/x
  3. Step 3: Cross multiply
    86,813,223.53x = 119,801,775.49 × 47,655,666.50
  4. Step 4: Simplify right side
    86,813,223.53x = 5,709,233,459,039,679
  5. Step 5: Solve for x
    x = 5,709,233,459,039,679/86,813,223.53
  6. Step 6: Final answer
    x = 65,764,560.13

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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.