Finding the Fourth Proportional to 302,539,389.49, 453,941,082.93 and 105,943,905.60
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Solution
The fourth proportional to 302,539,389.49, 453,941,082.93 and 105,943,905.60 is: 158,962,081.99
Step by Step Solution
- Step 1: Write the proportion equation
302,539,389.49 : 453,941,082.93 = 105,943,905.60 : x - Step 2: Convert to fraction form
302,539,389.49/453,941,082.93 = 105,943,905.60/x - Step 3: Cross multiply
302,539,389.49x = 453,941,082.93 × 105,943,905.60 - Step 4: Simplify right side
302,539,389.49x = 48,092,291,237,897,688 - Step 5: Solve for x
x = 48,092,291,237,897,688/302,539,389.49 - Step 6: Final answer
x = 158,962,081.99
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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.