Home / 317,650,402.08-438,368,187.60-176,527,571.11

Finding the Fourth Proportional to 317,650,402.08, 438,368,187.60 and 176,527,571.11

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Solution

The fourth proportional to 317,650,402.08, 438,368,187.60 and 176,527,571.11 is: 243,613,957.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,650,402.08 : 438,368,187.60 = 176,527,571.11 : x
  2. Step 2: Convert to fraction form
    317,650,402.08/438,368,187.60 = 176,527,571.11/x
  3. Step 3: Cross multiply
    317,650,402.08x = 438,368,187.60 × 176,527,571.11
  4. Step 4: Simplify right side
    317,650,402.08x = 77,384,071,407,824,896
  5. Step 5: Solve for x
    x = 77,384,071,407,824,896/317,650,402.08
  6. Step 6: Final answer
    x = 243,613,957.05

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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.