Home / 157,464,143.40-236,196,215.10-76,842,575.40

Finding the Fourth Proportional to 157,464,143.40, 236,196,215.10 and 76,842,575.40

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Solution

The fourth proportional to 157,464,143.40, 236,196,215.10 and 76,842,575.40 is: 115,263,863.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,143.40 : 236,196,215.10 = 76,842,575.40 : x
  2. Step 2: Convert to fraction form
    157,464,143.40/236,196,215.10 = 76,842,575.40/x
  3. Step 3: Cross multiply
    157,464,143.40x = 236,196,215.10 × 76,842,575.40
  4. Step 4: Simplify right side
    157,464,143.40x = 18,149,925,468,016,368
  5. Step 5: Solve for x
    x = 18,149,925,468,016,368/157,464,143.40
  6. Step 6: Final answer
    x = 115,263,863.10

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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.