Home / 157,547,426.52-217,415,749.46-86,983,173.23

Finding the Fourth Proportional to 157,547,426.52, 217,415,749.46 and 86,983,173.23

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Solution

The fourth proportional to 157,547,426.52, 217,415,749.46 and 86,983,173.23 is: 120,036,945.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,547,426.52 : 217,415,749.46 = 86,983,173.23 : x
  2. Step 2: Convert to fraction form
    157,547,426.52/217,415,749.46 = 86,983,173.23/x
  3. Step 3: Cross multiply
    157,547,426.52x = 217,415,749.46 × 86,983,173.23
  4. Step 4: Simplify right side
    157,547,426.52x = 18,911,511,796,687,464
  5. Step 5: Solve for x
    x = 18,911,511,796,687,464/157,547,426.52
  6. Step 6: Final answer
    x = 120,036,945.16

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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.