Home / 193,837,337.80-290,756,006.70-139,417,779.40

Finding the Fourth Proportional to 193,837,337.80, 290,756,006.70 and 139,417,779.40

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Solution

The fourth proportional to 193,837,337.80, 290,756,006.70 and 139,417,779.40 is: 209,126,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,837,337.80 : 290,756,006.70 = 139,417,779.40 : x
  2. Step 2: Convert to fraction form
    193,837,337.80/290,756,006.70 = 139,417,779.40/x
  3. Step 3: Cross multiply
    193,837,337.80x = 290,756,006.70 × 139,417,779.40
  4. Step 4: Simplify right side
    193,837,337.80x = 40,536,556,801,325,520
  5. Step 5: Solve for x
    x = 40,536,556,801,325,520/193,837,337.80
  6. Step 6: Final answer
    x = 209,126,669.10

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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.