Home / 172,649,439.60-258,974,159.40-164,686,815.60

Finding the Fourth Proportional to 172,649,439.60, 258,974,159.40 and 164,686,815.60

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Solution

The fourth proportional to 172,649,439.60, 258,974,159.40 and 164,686,815.60 is: 247,030,223.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,649,439.60 : 258,974,159.40 = 164,686,815.60 : x
  2. Step 2: Convert to fraction form
    172,649,439.60/258,974,159.40 = 164,686,815.60/x
  3. Step 3: Cross multiply
    172,649,439.60x = 258,974,159.40 × 164,686,815.60
  4. Step 4: Simplify right side
    172,649,439.60x = 42,649,629,634,272,808
  5. Step 5: Solve for x
    x = 42,649,629,634,272,808/172,649,439.60
  6. Step 6: Final answer
    x = 247,030,223.40

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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.