Finding the Fourth Proportional to 143,616,646.87, 215,115,545.33 and 97,304,417.75
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Solution
The fourth proportional to 143,616,646.87, 215,115,545.33 and 97,304,417.75 is: 145,746,982.29
Step by Step Solution
- Step 1: Write the proportion equation
143,616,646.87 : 215,115,545.33 = 97,304,417.75 : x - Step 2: Convert to fraction form
143,616,646.87/215,115,545.33 = 97,304,417.75/x - Step 3: Cross multiply
143,616,646.87x = 215,115,545.33 × 97,304,417.75 - Step 4: Simplify right side
143,616,646.87x = 20,931,692,887,309,384 - Step 5: Solve for x
x = 20,931,692,887,309,384/143,616,646.87 - Step 6: Final answer
x = 145,746,982.29
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.