Home / 71,176,886.40-106,765,329.60-40,943,798.40

Finding the Fourth Proportional to 71,176,886.40, 106,765,329.60 and 40,943,798.40

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Solution

The fourth proportional to 71,176,886.40, 106,765,329.60 and 40,943,798.40 is: 61,415,697.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,176,886.40 : 106,765,329.60 = 40,943,798.40 : x
  2. Step 2: Convert to fraction form
    71,176,886.40/106,765,329.60 = 40,943,798.40/x
  3. Step 3: Cross multiply
    71,176,886.40x = 106,765,329.60 × 40,943,798.40
  4. Step 4: Simplify right side
    71,176,886.40x = 4,371,378,131,251,952
  5. Step 5: Solve for x
    x = 4,371,378,131,251,952/71,176,886.40
  6. Step 6: Final answer
    x = 61,415,697.60

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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.