Home / 157,464,012.60-236,196,018.90-108,839,129.40

Finding the Fourth Proportional to 157,464,012.60, 236,196,018.90 and 108,839,129.40

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Solution

The fourth proportional to 157,464,012.60, 236,196,018.90 and 108,839,129.40 is: 163,258,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,012.60 : 236,196,018.90 = 108,839,129.40 : x
  2. Step 2: Convert to fraction form
    157,464,012.60/236,196,018.90 = 108,839,129.40/x
  3. Step 3: Cross multiply
    157,464,012.60x = 236,196,018.90 × 108,839,129.40
  4. Step 4: Simplify right side
    157,464,012.60x = 25,707,369,064,821,948
  5. Step 5: Solve for x
    x = 25,707,369,064,821,948/157,464,012.60
  6. Step 6: Final answer
    x = 163,258,694.10

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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.