Finding the Fourth Proportional to 229,740,580.09, 317,044,023.95 and 125,319,115.81
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Solution
The fourth proportional to 229,740,580.09, 317,044,023.95 and 125,319,115.81 is: 172,941,483.56
Step by Step Solution
- Step 1: Write the proportion equation
229,740,580.09 : 317,044,023.95 = 125,319,115.81 : x - Step 2: Convert to fraction form
229,740,580.09/317,044,023.95 = 125,319,115.81/x - Step 3: Cross multiply
229,740,580.09x = 317,044,023.95 × 125,319,115.81 - Step 4: Simplify right side
229,740,580.09x = 39,731,676,754,258,464 - Step 5: Solve for x
x = 39,731,676,754,258,464/229,740,580.09 - Step 6: Final answer
x = 172,941,483.56
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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.