Finding the Fourth Proportional to 70,864,497.57, 97,793,008.01 and 38,269,449.57
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Solution
The fourth proportional to 70,864,497.57, 97,793,008.01 and 38,269,449.57 is: 52,811,841.14
Step by Step Solution
- Step 1: Write the proportion equation
70,864,497.57 : 97,793,008.01 = 38,269,449.57 : x - Step 2: Convert to fraction form
70,864,497.57/97,793,008.01 = 38,269,449.57/x - Step 3: Cross multiply
70,864,497.57x = 97,793,008.01 × 38,269,449.57 - Step 4: Simplify right side
70,864,497.57x = 3,742,484,588,145,953.50 - Step 5: Solve for x
x = 3,742,484,588,145,953.50/70,864,497.57 - Step 6: Final answer
x = 52,811,841.14
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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.