Finding the Fourth Proportional to 154,864,526.94, 213,758,177.04 and 101,226,979.80
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Solution
The fourth proportional to 154,864,526.94, 213,758,177.04 and 101,226,979.80 is: 139,722,731.20
Step by Step Solution
- Step 1: Write the proportion equation
154,864,526.94 : 213,758,177.04 = 101,226,979.80 : x - Step 2: Convert to fraction form
154,864,526.94/213,758,177.04 = 101,226,979.80/x - Step 3: Cross multiply
154,864,526.94x = 213,758,177.04 × 101,226,979.80 - Step 4: Simplify right side
154,864,526.94x = 21,638,094,669,312,904 - Step 5: Solve for x
x = 21,638,094,669,312,904/154,864,526.94 - Step 6: Final answer
x = 139,722,731.20
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.