Home / 210,374,586.74-290,311,360.71-117,555,857.30

Finding the Fourth Proportional to 210,374,586.74, 290,311,360.71 and 117,555,857.30

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Solution

The fourth proportional to 210,374,586.74, 290,311,360.71 and 117,555,857.30 is: 162,223,971.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,586.74 : 290,311,360.71 = 117,555,857.30 : x
  2. Step 2: Convert to fraction form
    210,374,586.74/290,311,360.71 = 117,555,857.30/x
  3. Step 3: Cross multiply
    210,374,586.74x = 290,311,360.71 × 117,555,857.30
  4. Step 4: Simplify right side
    210,374,586.74x = 34,127,800,890,742,028
  5. Step 5: Solve for x
    x = 34,127,800,890,742,028/210,374,586.74
  6. Step 6: Final answer
    x = 162,223,971.16

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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.