Home / 145,794,097.88-201,195,873.92-79,714,641.72

Finding the Fourth Proportional to 145,794,097.88, 201,195,873.92 and 79,714,641.72

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Solution

The fourth proportional to 145,794,097.88, 201,195,873.92 and 79,714,641.72 is: 110,006,215.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,794,097.88 : 201,195,873.92 = 79,714,641.72 : x
  2. Step 2: Convert to fraction form
    145,794,097.88/201,195,873.92 = 79,714,641.72/x
  3. Step 3: Cross multiply
    145,794,097.88x = 201,195,873.92 × 79,714,641.72
  4. Step 4: Simplify right side
    145,794,097.88x = 16,038,257,005,075,090
  5. Step 5: Solve for x
    x = 16,038,257,005,075,090/145,794,097.88
  6. Step 6: Final answer
    x = 110,006,215.88

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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.