Home / 93,312,169.20-139,968,253.80-47,878,556.40

Finding the Fourth Proportional to 93,312,169.20, 139,968,253.80 and 47,878,556.40

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Solution

The fourth proportional to 93,312,169.20, 139,968,253.80 and 47,878,556.40 is: 71,817,834.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,169.20 : 139,968,253.80 = 47,878,556.40 : x
  2. Step 2: Convert to fraction form
    93,312,169.20/139,968,253.80 = 47,878,556.40/x
  3. Step 3: Cross multiply
    93,312,169.20x = 139,968,253.80 × 47,878,556.40
  4. Step 4: Simplify right side
    93,312,169.20x = 6,701,477,933,772,815
  5. Step 5: Solve for x
    x = 6,701,477,933,772,815/93,312,169.20
  6. Step 6: Final answer
    x = 71,817,834.60

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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.