Finding the Fourth Proportional to 117,702,230.17, 162,428,925.45 and 73,031,587.96
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Solution
The fourth proportional to 117,702,230.17, 162,428,925.45 and 73,031,587.96 is: 100,783,496.96
Step by Step Solution
- Step 1: Write the proportion equation
117,702,230.17 : 162,428,925.45 = 73,031,587.96 : x - Step 2: Convert to fraction form
117,702,230.17/162,428,925.45 = 73,031,587.96/x - Step 3: Cross multiply
117,702,230.17x = 162,428,925.45 × 73,031,587.96 - Step 4: Simplify right side
117,702,230.17x = 11,862,442,356,249,956 - Step 5: Solve for x
x = 11,862,442,356,249,956/117,702,230.17 - Step 6: Final answer
x = 100,783,496.96
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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.