Home / 144,292,387.74-199,118,160.48-78,211,467.23

Finding the Fourth Proportional to 144,292,387.74, 199,118,160.48 and 78,211,467.23

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Solution

The fourth proportional to 144,292,387.74, 199,118,160.48 and 78,211,467.23 is: 107,928,933.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,292,387.74 : 199,118,160.48 = 78,211,467.23 : x
  2. Step 2: Convert to fraction form
    144,292,387.74/199,118,160.48 = 78,211,467.23/x
  3. Step 3: Cross multiply
    144,292,387.74x = 199,118,160.48 × 78,211,467.23
  4. Step 4: Simplify right side
    144,292,387.74x = 15,573,323,482,283,808
  5. Step 5: Solve for x
    x = 15,573,323,482,283,808/144,292,387.74
  6. Step 6: Final answer
    x = 107,928,933.23

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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.