Home / 93,012,899.10-128,356,782.14-51,196,070.36

Finding the Fourth Proportional to 93,012,899.10, 128,356,782.14 and 51,196,070.36

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Solution

The fourth proportional to 93,012,899.10, 128,356,782.14 and 51,196,070.36 is: 70,650,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012,899.10 : 128,356,782.14 = 51,196,070.36 : x
  2. Step 2: Convert to fraction form
    93,012,899.10/128,356,782.14 = 51,196,070.36/x
  3. Step 3: Cross multiply
    93,012,899.10x = 128,356,782.14 × 51,196,070.36
  4. Step 4: Simplify right side
    93,012,899.10x = 6,571,362,849,622,631
  5. Step 5: Solve for x
    x = 6,571,362,849,622,631/93,012,899.10
  6. Step 6: Final answer
    x = 70,650,016.43

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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.