Finding the Fourth Proportional to 157,744,560.95, 217,683,483.68 and 88,130,464.65
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Solution
The fourth proportional to 157,744,560.95, 217,683,483.68 and 88,130,464.65 is: 121,617,800.63
Step by Step Solution
- Step 1: Write the proportion equation
157,744,560.95 : 217,683,483.68 = 88,130,464.65 : x - Step 2: Convert to fraction form
157,744,560.95/217,683,483.68 = 88,130,464.65/x - Step 3: Cross multiply
157,744,560.95x = 217,683,483.68 × 88,130,464.65 - Step 4: Simplify right side
157,744,560.95x = 19,184,546,562,908,440 - Step 5: Solve for x
x = 19,184,546,562,908,440/157,744,560.95 - Step 6: Final answer
x = 121,617,800.63
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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.