Finding the Fourth Proportional to 70,968,806.02, 97,934,754.81 and 40,028,529.70
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Solution
The fourth proportional to 70,968,806.02, 97,934,754.81 and 40,028,529.70 is: 55,238,131.53
Step by Step Solution
- Step 1: Write the proportion equation
70,968,806.02 : 97,934,754.81 = 40,028,529.70 : x - Step 2: Convert to fraction form
70,968,806.02/97,934,754.81 = 40,028,529.70/x - Step 3: Cross multiply
70,968,806.02x = 97,934,754.81 × 40,028,529.70 - Step 4: Simplify right side
70,968,806.02x = 3,920,184,241,574,303 - Step 5: Solve for x
x = 3,920,184,241,574,303/70,968,806.02 - Step 6: Final answer
x = 55,238,131.53
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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.