Home / 147,510,907.44-203,559,717.06-81,429,987.39

Finding the Fourth Proportional to 147,510,907.44, 203,559,717.06 and 81,429,987.39

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Solution

The fourth proportional to 147,510,907.44, 203,559,717.06 and 81,429,987.39 is: 112,370,437.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,510,907.44 : 203,559,717.06 = 81,429,987.39 : x
  2. Step 2: Convert to fraction form
    147,510,907.44/203,559,717.06 = 81,429,987.39/x
  3. Step 3: Cross multiply
    147,510,907.44x = 203,559,717.06 × 81,429,987.39
  4. Step 4: Simplify right side
    147,510,907.44x = 16,575,865,193,307,768
  5. Step 5: Solve for x
    x = 16,575,865,193,307,768/147,510,907.44
  6. Step 6: Final answer
    x = 112,370,437.42

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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.