Home / 72,296,190.45-99,743,802.37-46,205,980.29

Finding the Fourth Proportional to 72,296,190.45, 99,743,802.37 and 46,205,980.29

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Solution

The fourth proportional to 72,296,190.45, 99,743,802.37 and 46,205,980.29 is: 63,748,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,296,190.45 : 99,743,802.37 = 46,205,980.29 : x
  2. Step 2: Convert to fraction form
    72,296,190.45/99,743,802.37 = 46,205,980.29/x
  3. Step 3: Cross multiply
    72,296,190.45x = 99,743,802.37 × 46,205,980.29
  4. Step 4: Simplify right side
    72,296,190.45x = 4,608,760,166,242,361
  5. Step 5: Solve for x
    x = 4,608,760,166,242,361/72,296,190.45
  6. Step 6: Final answer
    x = 63,748,312.84

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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.