Home / 107,298,880.40-160,948,320.60-39,143,795.60

Finding the Fourth Proportional to 107,298,880.40, 160,948,320.60 and 39,143,795.60

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Solution

The fourth proportional to 107,298,880.40, 160,948,320.60 and 39,143,795.60 is: 58,715,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,298,880.40 : 160,948,320.60 = 39,143,795.60 : x
  2. Step 2: Convert to fraction form
    107,298,880.40/160,948,320.60 = 39,143,795.60/x
  3. Step 3: Cross multiply
    107,298,880.40x = 160,948,320.60 × 39,143,795.60
  4. Step 4: Simplify right side
    107,298,880.40x = 6,300,128,163,729,669
  5. Step 5: Solve for x
    x = 6,300,128,163,729,669/107,298,880.40
  6. Step 6: Final answer
    x = 58,715,693.40

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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.