Home / 130,390,064.48-195,403,422.72-98,004,181.28

Finding the Fourth Proportional to 130,390,064.48, 195,403,422.72 and 98,004,181.28

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Solution

The fourth proportional to 130,390,064.48, 195,403,422.72 and 98,004,181.28 is: 146,869,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,390,064.48 : 195,403,422.72 = 98,004,181.28 : x
  2. Step 2: Convert to fraction form
    130,390,064.48/195,403,422.72 = 98,004,181.28/x
  3. Step 3: Cross multiply
    130,390,064.48x = 195,403,422.72 × 98,004,181.28
  4. Step 4: Simplify right side
    130,390,064.48x = 19,150,352,462,983,352
  5. Step 5: Solve for x
    x = 19,150,352,462,983,352/130,390,064.48
  6. Step 6: Final answer
    x = 146,869,721.55

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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.