Home / 315,045,113.90-434,750,860.40-173,913,303.02

Finding the Fourth Proportional to 315,045,113.90, 434,750,860.40 and 173,913,303.02

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Solution

The fourth proportional to 315,045,113.90, 434,750,860.40 and 173,913,303.02 is: 239,994,066.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,045,113.90 : 434,750,860.40 = 173,913,303.02 : x
  2. Step 2: Convert to fraction form
    315,045,113.90/434,750,860.40 = 173,913,303.02/x
  3. Step 3: Cross multiply
    315,045,113.90x = 434,750,860.40 × 173,913,303.02
  4. Step 4: Simplify right side
    315,045,113.90x = 75,608,958,119,907,584
  5. Step 5: Solve for x
    x = 75,608,958,119,907,584/315,045,113.90
  6. Step 6: Final answer
    x = 239,994,066.83

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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.