Finding the Fourth Proportional to 139,582,785.07, 209,277,220.18 and 61,817,312.71
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Solution
The fourth proportional to 139,582,785.07, 209,277,220.18 and 61,817,312.71 is: 92,683,029.33
Step by Step Solution
- Step 1: Write the proportion equation
139,582,785.07 : 209,277,220.18 = 61,817,312.71 : x - Step 2: Convert to fraction form
139,582,785.07/209,277,220.18 = 61,817,312.71/x - Step 3: Cross multiply
139,582,785.07x = 209,277,220.18 × 61,817,312.71 - Step 4: Simplify right side
139,582,785.07x = 12,936,955,362,946,584 - Step 5: Solve for x
x = 12,936,955,362,946,584/139,582,785.07 - Step 6: Final answer
x = 92,683,029.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.