Home / 93,175,969.36-128,588,590.52-51,359,940.36

Finding the Fourth Proportional to 93,175,969.36, 128,588,590.52 and 51,359,940.36

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Solution

The fourth proportional to 93,175,969.36, 128,588,590.52 and 51,359,940.36 is: 70,879,888.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,175,969.36 : 128,588,590.52 = 51,359,940.36 : x
  2. Step 2: Convert to fraction form
    93,175,969.36/128,588,590.52 = 51,359,940.36/x
  3. Step 3: Cross multiply
    93,175,969.36x = 128,588,590.52 × 51,359,940.36
  4. Step 4: Simplify right side
    93,175,969.36x = 6,604,302,340,083,661
  5. Step 5: Solve for x
    x = 6,604,302,340,083,661/93,175,969.36
  6. Step 6: Final answer
    x = 70,879,888.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.