Finding the Fourth Proportional to 139,582,937.60, 209,277,448.47 and 61,817,465.24
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Solution
The fourth proportional to 139,582,937.60, 209,277,448.47 and 61,817,465.24 is: 92,683,257.84
Step by Step Solution
- Step 1: Write the proportion equation
139,582,937.60 : 209,277,448.47 = 61,817,465.24 : x - Step 2: Convert to fraction form
139,582,937.60/209,277,448.47 = 61,817,465.24/x - Step 3: Cross multiply
139,582,937.60x = 209,277,448.47 × 61,817,465.24 - Step 4: Simplify right side
139,582,937.60x = 12,937,001,395,263,728 - Step 5: Solve for x
x = 12,937,001,395,263,728/139,582,937.60 - Step 6: Final answer
x = 92,683,257.84
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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.