Home / 253,117,969.09-349,300,224.18-140,087,683.51

Finding the Fourth Proportional to 253,117,969.09, 349,300,224.18 and 140,087,683.51

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Solution

The fourth proportional to 253,117,969.09, 349,300,224.18 and 140,087,683.51 is: 193,319,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,117,969.09 : 349,300,224.18 = 140,087,683.51 : x
  2. Step 2: Convert to fraction form
    253,117,969.09/349,300,224.18 = 140,087,683.51/x
  3. Step 3: Cross multiply
    253,117,969.09x = 349,300,224.18 × 140,087,683.51
  4. Step 4: Simplify right side
    253,117,969.09x = 48,932,659,254,026,640
  5. Step 5: Solve for x
    x = 48,932,659,254,026,640/253,117,969.09
  6. Step 6: Final answer
    x = 193,319,579.13

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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.