Home / 172,411,314.60-258,616,971.90-163,908,258.60

Finding the Fourth Proportional to 172,411,314.60, 258,616,971.90 and 163,908,258.60

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Solution

The fourth proportional to 172,411,314.60, 258,616,971.90 and 163,908,258.60 is: 245,862,387.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,411,314.60 : 258,616,971.90 = 163,908,258.60 : x
  2. Step 2: Convert to fraction form
    172,411,314.60/258,616,971.90 = 163,908,258.60/x
  3. Step 3: Cross multiply
    172,411,314.60x = 258,616,971.90 × 163,908,258.60
  4. Step 4: Simplify right side
    172,411,314.60x = 42,389,457,508,534,136
  5. Step 5: Solve for x
    x = 42,389,457,508,534,136/172,411,314.60
  6. Step 6: Final answer
    x = 245,862,387.90

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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.