Home / 137,829,075.92-190,213,329.48-75,949,404.88

Finding the Fourth Proportional to 137,829,075.92, 190,213,329.48 and 75,949,404.88

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Solution

The fourth proportional to 137,829,075.92, 190,213,329.48 and 75,949,404.88 is: 104,815,250.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,829,075.92 : 190,213,329.48 = 75,949,404.88 : x
  2. Step 2: Convert to fraction form
    137,829,075.92/190,213,329.48 = 75,949,404.88/x
  3. Step 3: Cross multiply
    137,829,075.92x = 190,213,329.48 × 75,949,404.88
  4. Step 4: Simplify right side
    137,829,075.92x = 14,446,589,174,249,358
  5. Step 5: Solve for x
    x = 14,446,589,174,249,358/137,829,075.92
  6. Step 6: Final answer
    x = 104,815,250.90

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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.