Finding the Fourth Proportional to 153,233,230, 211,466,323.20 and 83,623,094.68
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Solution
The fourth proportional to 153,233,230, 211,466,323.20 and 83,623,094.68 is: 115,402,307.75
Step by Step Solution
- Step 1: Write the proportion equation
153,233,230 : 211,466,323.20 = 83,623,094.68 : x - Step 2: Convert to fraction form
153,233,230/211,466,323.20 = 83,623,094.68/x - Step 3: Cross multiply
153,233,230x = 211,466,323.20 × 83,623,094.68 - Step 4: Simplify right side
153,233,230x = 17,683,468,366,585,082 - Step 5: Solve for x
x = 17,683,468,366,585,082/153,233,230 - Step 6: Final answer
x = 115,402,307.75
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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.