Finding the Fourth Proportional to 97,111,565.21, 134,012,395.98 and 53,057,618.12
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Solution
The fourth proportional to 97,111,565.21, 134,012,395.98 and 53,057,618.12 is: 73,218,658.49
Step by Step Solution
- Step 1: Write the proportion equation
97,111,565.21 : 134,012,395.98 = 53,057,618.12 : x - Step 2: Convert to fraction form
97,111,565.21/134,012,395.98 = 53,057,618.12/x - Step 3: Cross multiply
97,111,565.21x = 134,012,395.98 × 53,057,618.12 - Step 4: Simplify right side
97,111,565.21x = 7,110,378,528,583,002 - Step 5: Solve for x
x = 7,110,378,528,583,002/97,111,565.21 - Step 6: Final answer
x = 73,218,658.49
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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.