Home / 292,506,179.40-438,751,546.56-85,301,776.08

Finding the Fourth Proportional to 292,506,179.40, 438,751,546.56 and 85,301,776.08

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Solution

The fourth proportional to 292,506,179.40, 438,751,546.56 and 85,301,776.08 is: 127,950,412.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,506,179.40 : 438,751,546.56 = 85,301,776.08 : x
  2. Step 2: Convert to fraction form
    292,506,179.40/438,751,546.56 = 85,301,776.08/x
  3. Step 3: Cross multiply
    292,506,179.40x = 438,751,546.56 × 85,301,776.08
  4. Step 4: Simplify right side
    292,506,179.40x = 37,426,286,179,414,816
  5. Step 5: Solve for x
    x = 37,426,286,179,414,816/292,506,179.40
  6. Step 6: Final answer
    x = 127,950,412.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.