Home / 289,634,009.80-434,451,014.70-167,190,003.40

Finding the Fourth Proportional to 289,634,009.80, 434,451,014.70 and 167,190,003.40

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Solution

The fourth proportional to 289,634,009.80, 434,451,014.70 and 167,190,003.40 is: 250,785,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,634,009.80 : 434,451,014.70 = 167,190,003.40 : x
  2. Step 2: Convert to fraction form
    289,634,009.80/434,451,014.70 = 167,190,003.40/x
  3. Step 3: Cross multiply
    289,634,009.80x = 434,451,014.70 × 167,190,003.40
  4. Step 4: Simplify right side
    289,634,009.80x = 72,635,866,624,826,448
  5. Step 5: Solve for x
    x = 72,635,866,624,826,448/289,634,009.80
  6. Step 6: Final answer
    x = 250,785,005.10

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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.