Home / 42,768,348.60-64,026,551.70-40,276,918.20

Finding the Fourth Proportional to 42,768,348.60, 64,026,551.70 and 40,276,918.20

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Solution

The fourth proportional to 42,768,348.60, 64,026,551.70 and 40,276,918.20 is: 60,296,744.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,768,348.60 : 64,026,551.70 = 40,276,918.20 : x
  2. Step 2: Convert to fraction form
    42,768,348.60/64,026,551.70 = 40,276,918.20/x
  3. Step 3: Cross multiply
    42,768,348.60x = 64,026,551.70 × 40,276,918.20
  4. Step 4: Simplify right side
    42,768,348.60x = 2,578,792,185,448,971.50
  5. Step 5: Solve for x
    x = 2,578,792,185,448,971.50/42,768,348.60
  6. Step 6: Final answer
    x = 60,296,744.44

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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.