Home / 109,278,907.20-150,804,946.80-60,386,335.20

Finding the Fourth Proportional to 109,278,907.20, 150,804,946.80 and 60,386,335.20

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Solution

The fourth proportional to 109,278,907.20, 150,804,946.80 and 60,386,335.20 is: 83,333,172.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,278,907.20 : 150,804,946.80 = 60,386,335.20 : x
  2. Step 2: Convert to fraction form
    109,278,907.20/150,804,946.80 = 60,386,335.20/x
  3. Step 3: Cross multiply
    109,278,907.20x = 150,804,946.80 × 60,386,335.20
  4. Step 4: Simplify right side
    109,278,907.20x = 9,106,558,067,282,968
  5. Step 5: Solve for x
    x = 9,106,558,067,282,968/109,278,907.20
  6. Step 6: Final answer
    x = 83,333,172.89

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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.