Home / 210,669,912.77-290,712,785.87-117,832,484.48

Finding the Fourth Proportional to 210,669,912.77, 290,712,785.87 and 117,832,484.48

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Solution

The fourth proportional to 210,669,912.77, 290,712,785.87 and 117,832,484.48 is: 162,602,288.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,669,912.77 : 290,712,785.87 = 117,832,484.48 : x
  2. Step 2: Convert to fraction form
    210,669,912.77/290,712,785.87 = 117,832,484.48/x
  3. Step 3: Cross multiply
    210,669,912.77x = 290,712,785.87 × 117,832,484.48
  4. Step 4: Simplify right side
    210,669,912.77x = 34,255,409,828,005,356
  5. Step 5: Solve for x
    x = 34,255,409,828,005,356/210,669,912.77
  6. Step 6: Final answer
    x = 162,602,288.00

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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.