Finding the Fourth Proportional to 153,031,051.64, 211,116,348.89 and 97,246,603.28
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Solution
The fourth proportional to 153,031,051.64, 211,116,348.89 and 97,246,603.28 is: 134,158,052.28
Step by Step Solution
- Step 1: Write the proportion equation
153,031,051.64 : 211,116,348.89 = 97,246,603.28 : x - Step 2: Convert to fraction form
153,031,051.64/211,116,348.89 = 97,246,603.28/x - Step 3: Cross multiply
153,031,051.64x = 211,116,348.89 × 97,246,603.28 - Step 4: Simplify right side
153,031,051.64x = 20,530,347,826,526,004 - Step 5: Solve for x
x = 20,530,347,826,526,004/153,031,051.64 - Step 6: Final answer
x = 134,158,052.28
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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.