Home / 30,528,052.05-45,792,078.08-30,315,475.65

Finding the Fourth Proportional to 30,528,052.05, 45,792,078.08 and 30,315,475.65

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Solution

The fourth proportional to 30,528,052.05, 45,792,078.08 and 30,315,475.65 is: 45,473,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,528,052.05 : 45,792,078.08 = 30,315,475.65 : x
  2. Step 2: Convert to fraction form
    30,528,052.05/45,792,078.08 = 30,315,475.65/x
  3. Step 3: Cross multiply
    30,528,052.05x = 45,792,078.08 × 30,315,475.65
  4. Step 4: Simplify right side
    30,528,052.05x = 1,388,208,627,845,561.50
  5. Step 5: Solve for x
    x = 1,388,208,627,845,561.50/30,528,052.05
  6. Step 6: Final answer
    x = 45,473,213.48

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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.