Finding the Fourth Proportional to 173,648,878.10, 260,249,368.35 and 133,058,158.10
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Solution
The fourth proportional to 173,648,878.10, 260,249,368.35 and 133,058,158.10 is: 199,415,636.76
Step by Step Solution
- Step 1: Write the proportion equation
173,648,878.10 : 260,249,368.35 = 133,058,158.10 : x - Step 2: Convert to fraction form
173,648,878.10/260,249,368.35 = 133,058,158.10/x - Step 3: Cross multiply
173,648,878.10x = 260,249,368.35 × 133,058,158.10 - Step 4: Simplify right side
173,648,878.10x = 34,628,301,599,339,432 - Step 5: Solve for x
x = 34,628,301,599,339,432/173,648,878.10 - Step 6: Final answer
x = 199,415,636.76
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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.