Finding the Fourth Proportional to 70,315,812.95, 97,026,619.76 and 40,547,560.49
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Solution
The fourth proportional to 70,315,812.95, 97,026,619.76 and 40,547,560.49 is: 55,950,327.08
Step by Step Solution
- Step 1: Write the proportion equation
70,315,812.95 : 97,026,619.76 = 40,547,560.49 : x - Step 2: Convert to fraction form
70,315,812.95/97,026,619.76 = 40,547,560.49/x - Step 3: Cross multiply
70,315,812.95x = 97,026,619.76 × 40,547,560.49 - Step 4: Simplify right side
70,315,812.95x = 3,934,192,733,898,658 - Step 5: Solve for x
x = 3,934,192,733,898,658/70,315,812.95 - Step 6: Final answer
x = 55,950,327.08
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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.