Home / 46,598,172.16-69,842,358.96-21,009,222.40

Finding the Fourth Proportional to 46,598,172.16, 69,842,358.96 and 21,009,222.40

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Solution

The fourth proportional to 46,598,172.16, 69,842,358.96 and 21,009,222.40 is: 31,489,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,598,172.16 : 69,842,358.96 = 21,009,222.40 : x
  2. Step 2: Convert to fraction form
    46,598,172.16/69,842,358.96 = 21,009,222.40/x
  3. Step 3: Cross multiply
    46,598,172.16x = 69,842,358.96 × 21,009,222.40
  4. Step 4: Simplify right side
    46,598,172.16x = 1,467,333,652,331,272.50
  5. Step 5: Solve for x
    x = 1,467,333,652,331,272.50/46,598,172.16
  6. Step 6: Final answer
    x = 31,489,081.75

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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.