Home / 186,719,458.01-257,695,447.02-106,271,009.51

Finding the Fourth Proportional to 186,719,458.01, 257,695,447.02 and 106,271,009.51

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Solution

The fourth proportional to 186,719,458.01, 257,695,447.02 and 106,271,009.51 is: 146,666,853.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,719,458.01 : 257,695,447.02 = 106,271,009.51 : x
  2. Step 2: Convert to fraction form
    186,719,458.01/257,695,447.02 = 106,271,009.51/x
  3. Step 3: Cross multiply
    186,719,458.01x = 257,695,447.02 × 106,271,009.51
  4. Step 4: Simplify right side
    186,719,458.01x = 27,385,555,300,943,844
  5. Step 5: Solve for x
    x = 27,385,555,300,943,844/186,719,458.01
  6. Step 6: Final answer
    x = 146,666,853.01

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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.