Finding the Fourth Proportional to 70,864,392.08, 97,792,862.28 and 38,269,344.08
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Solution
The fourth proportional to 70,864,392.08, 97,792,862.28 and 38,269,344.08 is: 52,811,695.48
Step by Step Solution
- Step 1: Write the proportion equation
70,864,392.08 : 97,792,862.28 = 38,269,344.08 : x - Step 2: Convert to fraction form
70,864,392.08/97,792,862.28 = 38,269,344.08/x - Step 3: Cross multiply
70,864,392.08x = 97,792,862.28 × 38,269,344.08 - Step 4: Simplify right side
70,864,392.08x = 3,742,468,695,161,373 - Step 5: Solve for x
x = 3,742,468,695,161,373/70,864,392.08 - Step 6: Final answer
x = 52,811,695.48
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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.