Finding the Fourth Proportional to 122,326,807.20, 183,490,210.80 and 117,623,882.40
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Solution
The fourth proportional to 122,326,807.20, 183,490,210.80 and 117,623,882.40 is: 176,435,823.60
Step by Step Solution
- Step 1: Write the proportion equation
122,326,807.20 : 183,490,210.80 = 117,623,882.40 : x - Step 2: Convert to fraction form
122,326,807.20/183,490,210.80 = 117,623,882.40/x - Step 3: Cross multiply
122,326,807.20x = 183,490,210.80 × 117,623,882.40 - Step 4: Simplify right side
122,326,807.20x = 21,582,830,976,690,412 - Step 5: Solve for x
x = 21,582,830,976,690,412/122,326,807.20 - Step 6: Final answer
x = 176,435,823.60
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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.