Finding the Fourth Proportional to 102,427,291.12, 153,483,871.20 and 69,596,047.12
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Solution
The fourth proportional to 102,427,291.12, 153,483,871.20 and 69,596,047.12 is: 104,287,349.74
Step by Step Solution
- Step 1: Write the proportion equation
102,427,291.12 : 153,483,871.20 = 69,596,047.12 : x - Step 2: Convert to fraction form
102,427,291.12/153,483,871.20 = 69,596,047.12/x - Step 3: Cross multiply
102,427,291.12x = 153,483,871.20 × 69,596,047.12 - Step 4: Simplify right side
102,427,291.12x = 10,681,870,732,195,210 - Step 5: Solve for x
x = 10,681,870,732,195,210/102,427,291.12 - Step 6: Final answer
x = 104,287,349.74
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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.