Home / 140,675,374.70-211,013,062.05-86,927,662.70

Finding the Fourth Proportional to 140,675,374.70, 211,013,062.05 and 86,927,662.70

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Solution

The fourth proportional to 140,675,374.70, 211,013,062.05 and 86,927,662.70 is: 130,391,494.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,675,374.70 : 211,013,062.05 = 86,927,662.70 : x
  2. Step 2: Convert to fraction form
    140,675,374.70/211,013,062.05 = 86,927,662.70/x
  3. Step 3: Cross multiply
    140,675,374.70x = 211,013,062.05 × 86,927,662.70
  4. Step 4: Simplify right side
    140,675,374.70x = 18,342,872,283,176,572
  5. Step 5: Solve for x
    x = 18,342,872,283,176,572/140,675,374.70
  6. Step 6: Final answer
    x = 130,391,494.05

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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.