Home / 65,148,511.80-97,733,826.90-19,709,945.40

Finding the Fourth Proportional to 65,148,511.80, 97,733,826.90 and 19,709,945.40

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Solution

The fourth proportional to 65,148,511.80, 97,733,826.90 and 19,709,945.40 is: 29,568,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,148,511.80 : 97,733,826.90 = 19,709,945.40 : x
  2. Step 2: Convert to fraction form
    65,148,511.80/97,733,826.90 = 19,709,945.40/x
  3. Step 3: Cross multiply
    65,148,511.80x = 97,733,826.90 × 19,709,945.40
  4. Step 4: Simplify right side
    65,148,511.80x = 1,926,328,391,932,051.25
  5. Step 5: Solve for x
    x = 1,926,328,391,932,051.25/65,148,511.80
  6. Step 6: Final answer
    x = 29,568,263.94

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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.