Home / 298,931,000.70-448,396,501.05-105,061,323.90

Finding the Fourth Proportional to 298,931,000.70, 448,396,501.05 and 105,061,323.90

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Solution

The fourth proportional to 298,931,000.70, 448,396,501.05 and 105,061,323.90 is: 157,591,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,931,000.70 : 448,396,501.05 = 105,061,323.90 : x
  2. Step 2: Convert to fraction form
    298,931,000.70/448,396,501.05 = 105,061,323.90/x
  3. Step 3: Cross multiply
    298,931,000.70x = 448,396,501.05 × 105,061,323.90
  4. Step 4: Simplify right side
    298,931,000.70x = 47,109,130,032,440,744
  5. Step 5: Solve for x
    x = 47,109,130,032,440,744/298,931,000.70
  6. Step 6: Final answer
    x = 157,591,985.85

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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.