Finding the Fourth Proportional to 70,315,816.21, 97,026,624.24 and 40,547,563.74
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Solution
The fourth proportional to 70,315,816.21, 97,026,624.24 and 40,547,563.74 is: 55,950,331.56
Step by Step Solution
- Step 1: Write the proportion equation
70,315,816.21 : 97,026,624.24 = 40,547,563.74 : x - Step 2: Convert to fraction form
70,315,816.21/97,026,624.24 = 40,547,563.74/x - Step 3: Cross multiply
70,315,816.21x = 97,026,624.24 × 40,547,563.74 - Step 4: Simplify right side
70,315,816.21x = 3,934,193,230,848,429 - Step 5: Solve for x
x = 3,934,193,230,848,429/70,315,816.21 - Step 6: Final answer
x = 55,950,331.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.