Finding the Fourth Proportional to 106,831,296.72, 147,380,382 and 62,758,413.36
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Solution
The fourth proportional to 106,831,296.72, 147,380,382 and 62,758,413.36 is: 86,579,113.23
Step by Step Solution
- Step 1: Write the proportion equation
106,831,296.72 : 147,380,382 = 62,758,413.36 : x - Step 2: Convert to fraction form
106,831,296.72/147,380,382 = 62,758,413.36/x - Step 3: Cross multiply
106,831,296.72x = 147,380,382 × 62,758,413.36 - Step 4: Simplify right side
106,831,296.72x = 9,249,358,934,710,704 - Step 5: Solve for x
x = 9,249,358,934,710,704/106,831,296.72 - Step 6: Final answer
x = 86,579,113.23
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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.