Finding the Fourth Proportional to 293,674,959.47, 440,506,040.09 and 138,142,558.37
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Solution
The fourth proportional to 293,674,959.47, 440,506,040.09 and 138,142,558.37 is: 207,210,827.46
Step by Step Solution
- Step 1: Write the proportion equation
293,674,959.47 : 440,506,040.09 = 138,142,558.37 : x - Step 2: Convert to fraction form
293,674,959.47/440,506,040.09 = 138,142,558.37/x - Step 3: Cross multiply
293,674,959.47x = 440,506,040.09 × 138,142,558.37 - Step 4: Simplify right side
293,674,959.47x = 60,852,631,355,880,936 - Step 5: Solve for x
x = 60,852,631,355,880,936/293,674,959.47 - Step 6: Final answer
x = 207,210,827.46
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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.