Finding the Fourth Proportional to 138,521,702.10, 207,645,501.15 and 65,610,329.70
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Solution
The fourth proportional to 138,521,702.10, 207,645,501.15 and 65,610,329.70 is: 98,350,580.34
Step by Step Solution
- Step 1: Write the proportion equation
138,521,702.10 : 207,645,501.15 = 65,610,329.70 : x - Step 2: Convert to fraction form
138,521,702.10/207,645,501.15 = 65,610,329.70/x - Step 3: Cross multiply
138,521,702.10x = 207,645,501.15 × 65,610,329.70 - Step 4: Simplify right side
138,521,702.10x = 13,623,689,791,173,230 - Step 5: Solve for x
x = 13,623,689,791,173,230/138,521,702.10 - Step 6: Final answer
x = 98,350,580.34
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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.