Home / 190,058,463.32-262,280,681.52-103,138,335.32

Finding the Fourth Proportional to 190,058,463.32, 262,280,681.52 and 103,138,335.32

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Solution

The fourth proportional to 190,058,463.32, 262,280,681.52 and 103,138,335.32 is: 142,330,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,058,463.32 : 262,280,681.52 = 103,138,335.32 : x
  2. Step 2: Convert to fraction form
    190,058,463.32/262,280,681.52 = 103,138,335.32/x
  3. Step 3: Cross multiply
    190,058,463.32x = 262,280,681.52 × 103,138,335.32
  4. Step 4: Simplify right side
    190,058,463.32x = 27,051,192,878,567,888
  5. Step 5: Solve for x
    x = 27,051,192,878,567,888/190,058,463.32
  6. Step 6: Final answer
    x = 142,330,903.90

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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.