Home / 53,196,219.89-79,808,545.34-19,117,861.01

Finding the Fourth Proportional to 53,196,219.89, 79,808,545.34 and 19,117,861.01

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Solution

The fourth proportional to 53,196,219.89, 79,808,545.34 and 19,117,861.01 is: 28,681,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,196,219.89 : 79,808,545.34 = 19,117,861.01 : x
  2. Step 2: Convert to fraction form
    53,196,219.89/79,808,545.34 = 19,117,861.01/x
  3. Step 3: Cross multiply
    53,196,219.89x = 79,808,545.34 × 19,117,861.01
  4. Step 4: Simplify right side
    53,196,219.89x = 1,525,768,677,124,814
  5. Step 5: Solve for x
    x = 1,525,768,677,124,814/53,196,219.89
  6. Step 6: Final answer
    x = 28,681,900.34

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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.