Finding the Fourth Proportional to 61,763,526.18, 92,642,026.36 and 20,258,935.28
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Solution
The fourth proportional to 61,763,526.18, 92,642,026.36 and 20,258,935.28 is: 30,387,332.66
Step by Step Solution
- Step 1: Write the proportion equation
61,763,526.18 : 92,642,026.36 = 20,258,935.28 : x - Step 2: Convert to fraction form
61,763,526.18/92,642,026.36 = 20,258,935.28/x - Step 3: Cross multiply
61,763,526.18x = 92,642,026.36 × 20,258,935.28 - Step 4: Simplify right side
61,763,526.18x = 1,876,828,816,235,294 - Step 5: Solve for x
x = 1,876,828,816,235,294/61,763,526.18 - Step 6: Final answer
x = 30,387,332.66
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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.