Home / 236,012,878.60-353,641,404.30-155,139,368.20

Finding the Fourth Proportional to 236,012,878.60, 353,641,404.30 and 155,139,368.20

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Solution

The fourth proportional to 236,012,878.60, 353,641,404.30 and 155,139,368.20 is: 232,460,636.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,012,878.60 : 353,641,404.30 = 155,139,368.20 : x
  2. Step 2: Convert to fraction form
    236,012,878.60/353,641,404.30 = 155,139,368.20/x
  3. Step 3: Cross multiply
    236,012,878.60x = 353,641,404.30 × 155,139,368.20
  4. Step 4: Simplify right side
    236,012,878.60x = 54,863,704,032,462,760
  5. Step 5: Solve for x
    x = 54,863,704,032,462,760/236,012,878.60
  6. Step 6: Final answer
    x = 232,460,636.72

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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.