Finding the Fourth Proportional to 307,975,698.11, 461,963,552.51 and 74,804,838.91
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Solution
The fourth proportional to 307,975,698.11, 461,963,552.51 and 74,804,838.91 is: 112,207,259.66
Step by Step Solution
- Step 1: Write the proportion equation
307,975,698.11 : 461,963,552.51 = 74,804,838.91 : x - Step 2: Convert to fraction form
307,975,698.11/461,963,552.51 = 74,804,838.91/x - Step 3: Cross multiply
307,975,698.11x = 461,963,552.51 × 74,804,838.91 - Step 4: Simplify right side
307,975,698.11x = 34,557,109,126,833,976 - Step 5: Solve for x
x = 34,557,109,126,833,976/307,975,698.11 - Step 6: Final answer
x = 112,207,259.66
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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.