Finding the Fourth Proportional to 112,486,545.11, 155,231,660.13 and 62,927,746.42
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Solution
The fourth proportional to 112,486,545.11, 155,231,660.13 and 62,927,746.42 is: 86,840,417.54
Step by Step Solution
- Step 1: Write the proportion equation
112,486,545.11 : 155,231,660.13 = 62,927,746.42 : x - Step 2: Convert to fraction form
112,486,545.11/155,231,660.13 = 62,927,746.42/x - Step 3: Cross multiply
112,486,545.11x = 155,231,660.13 × 62,927,746.42 - Step 4: Simplify right side
112,486,545.11x = 9,768,378,545,016,264 - Step 5: Solve for x
x = 9,768,378,545,016,264/112,486,545.11 - Step 6: Final answer
x = 86,840,417.54
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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.