Home / 43,195,280.40-64,792,920.60-31,716,154.80

Finding the Fourth Proportional to 43,195,280.40, 64,792,920.60 and 31,716,154.80

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Solution

The fourth proportional to 43,195,280.40, 64,792,920.60 and 31,716,154.80 is: 47,574,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,195,280.40 : 64,792,920.60 = 31,716,154.80 : x
  2. Step 2: Convert to fraction form
    43,195,280.40/64,792,920.60 = 31,716,154.80/x
  3. Step 3: Cross multiply
    43,195,280.40x = 64,792,920.60 × 31,716,154.80
  4. Step 4: Simplify right side
    43,195,280.40x = 2,054,982,299,693,709
  5. Step 5: Solve for x
    x = 2,054,982,299,693,709/43,195,280.40
  6. Step 6: Final answer
    x = 47,574,232.20

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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.