Home / 93,312,462.80-139,968,694.20-85,943,147.60

Finding the Fourth Proportional to 93,312,462.80, 139,968,694.20 and 85,943,147.60

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Solution

The fourth proportional to 93,312,462.80, 139,968,694.20 and 85,943,147.60 is: 128,914,721.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,462.80 : 139,968,694.20 = 85,943,147.60 : x
  2. Step 2: Convert to fraction form
    93,312,462.80/139,968,694.20 = 85,943,147.60/x
  3. Step 3: Cross multiply
    93,312,462.80x = 139,968,694.20 × 85,943,147.60
  4. Step 4: Simplify right side
    93,312,462.80x = 12,029,350,145,009,862
  5. Step 5: Solve for x
    x = 12,029,350,145,009,862/93,312,462.80
  6. Step 6: Final answer
    x = 128,914,721.40

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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.