Home / 210,374,790.56-290,311,641.52-117,556,061.12

Finding the Fourth Proportional to 210,374,790.56, 290,311,641.52 and 117,556,061.12

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Solution

The fourth proportional to 210,374,790.56, 290,311,641.52 and 117,556,061.12 is: 162,224,252.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,374,790.56 : 290,311,641.52 = 117,556,061.12 : x
  2. Step 2: Convert to fraction form
    210,374,790.56/290,311,641.52 = 117,556,061.12/x
  3. Step 3: Cross multiply
    210,374,790.56x = 290,311,641.52 × 117,556,061.12
  4. Step 4: Simplify right side
    210,374,790.56x = 34,127,893,074,372,648
  5. Step 5: Solve for x
    x = 34,127,893,074,372,648/210,374,790.56
  6. Step 6: Final answer
    x = 162,224,252.17

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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.