Home / 97,111,981.72-134,012,970.66-53,058,034.36

Finding the Fourth Proportional to 97,111,981.72, 134,012,970.66 and 53,058,034.36

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Solution

The fourth proportional to 97,111,981.72, 134,012,970.66 and 53,058,034.36 is: 73,219,232.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,111,981.72 : 134,012,970.66 = 53,058,034.36 : x
  2. Step 2: Convert to fraction form
    97,111,981.72/134,012,970.66 = 53,058,034.36/x
  3. Step 3: Cross multiply
    97,111,981.72x = 134,012,970.66 × 53,058,034.36
  4. Step 4: Simplify right side
    97,111,981.72x = 7,110,464,801,963,952
  5. Step 5: Solve for x
    x = 7,110,464,801,963,952/97,111,981.72
  6. Step 6: Final answer
    x = 73,219,232.85

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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.