Home / 119,681,054.63-165,167,256.86-66,035,453.59

Finding the Fourth Proportional to 119,681,054.63, 165,167,256.86 and 66,035,453.59

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Solution

The fourth proportional to 119,681,054.63, 165,167,256.86 and 66,035,453.59 is: 91,133,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,681,054.63 : 165,167,256.86 = 66,035,453.59 : x
  2. Step 2: Convert to fraction form
    119,681,054.63/165,167,256.86 = 66,035,453.59/x
  3. Step 3: Cross multiply
    119,681,054.63x = 165,167,256.86 × 66,035,453.59
  4. Step 4: Simplify right side
    119,681,054.63x = 10,906,894,724,811,990
  5. Step 5: Solve for x
    x = 10,906,894,724,811,990/119,681,054.63
  6. Step 6: Final answer
    x = 91,133,009.80

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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.