Home / 169,938,289.67-255,145,917.74-86,999,281.70

Finding the Fourth Proportional to 169,938,289.67, 255,145,917.74 and 86,999,281.70

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Solution

The fourth proportional to 169,938,289.67, 255,145,917.74 and 86,999,281.70 is: 130,621,013.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,938,289.67 : 255,145,917.74 = 86,999,281.70 : x
  2. Step 2: Convert to fraction form
    169,938,289.67/255,145,917.74 = 86,999,281.70/x
  3. Step 3: Cross multiply
    169,938,289.67x = 255,145,917.74 × 86,999,281.70
  4. Step 4: Simplify right side
    169,938,289.67x = 22,197,511,570,356,560
  5. Step 5: Solve for x
    x = 22,197,511,570,356,560/169,938,289.67
  6. Step 6: Final answer
    x = 130,621,013.16

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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.