Home / 210,409,547.56-290,374,143.78-117,590,054.56

Finding the Fourth Proportional to 210,409,547.56, 290,374,143.78 and 117,590,054.56

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Solution

The fourth proportional to 210,409,547.56, 290,374,143.78 and 117,590,054.56 is: 162,279,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,409,547.56 : 290,374,143.78 = 117,590,054.56 : x
  2. Step 2: Convert to fraction form
    210,409,547.56/290,374,143.78 = 117,590,054.56/x
  3. Step 3: Cross multiply
    210,409,547.56x = 290,374,143.78 × 117,590,054.56
  4. Step 4: Simplify right side
    210,409,547.56x = 34,145,111,409,903,480
  5. Step 5: Solve for x
    x = 34,145,111,409,903,480/210,409,547.56
  6. Step 6: Final answer
    x = 162,279,287.26

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1.5x scale

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.