Home / 249,814,704.72-344,743,027.90-136,782,142.77

Finding the Fourth Proportional to 249,814,704.72, 344,743,027.90 and 136,782,142.77

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Solution

The fourth proportional to 249,814,704.72, 344,743,027.90 and 136,782,142.77 is: 188,758,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,814,704.72 : 344,743,027.90 = 136,782,142.77 : x
  2. Step 2: Convert to fraction form
    249,814,704.72/344,743,027.90 = 136,782,142.77/x
  3. Step 3: Cross multiply
    249,814,704.72x = 344,743,027.90 × 136,782,142.77
  4. Step 4: Simplify right side
    249,814,704.72x = 47,154,690,061,930,712
  5. Step 5: Solve for x
    x = 47,154,690,061,930,712/249,814,704.72
  6. Step 6: Final answer
    x = 188,758,664.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.