Finding the Fourth Proportional to 233,345,071.74, 322,029,113.02 and 128,920,901.07
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Solution
The fourth proportional to 233,345,071.74, 322,029,113.02 and 128,920,901.07 is: 177,917,978.35
Step by Step Solution
- Step 1: Write the proportion equation
233,345,071.74 : 322,029,113.02 = 128,920,901.07 : x - Step 2: Convert to fraction form
233,345,071.74/322,029,113.02 = 128,920,901.07/x - Step 3: Cross multiply
233,345,071.74x = 322,029,113.02 × 128,920,901.07 - Step 4: Simplify right side
233,345,071.74x = 41,516,283,420,988,960 - Step 5: Solve for x
x = 41,516,283,420,988,960/233,345,071.74 - Step 6: Final answer
x = 177,917,978.35
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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.