Home / 101,035,263.65-139,428,691.61-55,772,036.51

Finding the Fourth Proportional to 101,035,263.65, 139,428,691.61 and 55,772,036.51

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Solution

The fourth proportional to 101,035,263.65, 139,428,691.61 and 55,772,036.51 is: 76,965,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,035,263.65 : 139,428,691.61 = 55,772,036.51 : x
  2. Step 2: Convert to fraction form
    101,035,263.65/139,428,691.61 = 55,772,036.51/x
  3. Step 3: Cross multiply
    101,035,263.65x = 139,428,691.61 × 55,772,036.51
  4. Step 4: Simplify right side
    101,035,263.65x = 7,776,222,078,038,447
  5. Step 5: Solve for x
    x = 7,776,222,078,038,447/101,035,263.65
  6. Step 6: Final answer
    x = 76,965,425.71

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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.