Finding the Fourth Proportional to 310,458,889.80, 465,688,334.70 and 157,403,881.80
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Solution
The fourth proportional to 310,458,889.80, 465,688,334.70 and 157,403,881.80 is: 236,105,822.70
Step by Step Solution
- Step 1: Write the proportion equation
310,458,889.80 : 465,688,334.70 = 157,403,881.80 : x - Step 2: Convert to fraction form
310,458,889.80/465,688,334.70 = 157,403,881.80/x - Step 3: Cross multiply
310,458,889.80x = 465,688,334.70 × 157,403,881.80 - Step 4: Simplify right side
310,458,889.80x = 73,301,151,590,757,648 - Step 5: Solve for x
x = 73,301,151,590,757,648/310,458,889.80 - Step 6: Final answer
x = 236,105,822.70
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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.