Home / 48,212,513.53-72,337,931.46-15,428,133.30

Finding the Fourth Proportional to 48,212,513.53, 72,337,931.46 and 15,428,133.30

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Solution

The fourth proportional to 48,212,513.53, 72,337,931.46 and 15,428,133.30 is: 23,148,331.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,212,513.53 : 72,337,931.46 = 15,428,133.30 : x
  2. Step 2: Convert to fraction form
    48,212,513.53/72,337,931.46 = 15,428,133.30/x
  3. Step 3: Cross multiply
    48,212,513.53x = 72,337,931.46 × 15,428,133.30
  4. Step 4: Simplify right side
    48,212,513.53x = 1,116,039,248,953,158
  5. Step 5: Solve for x
    x = 1,116,039,248,953,158/48,212,513.53
  6. Step 6: Final answer
    x = 23,148,331.57

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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.