Finding the Fourth Proportional to 99,774,090.59, 136,688,220.71 and 96,043,756.13
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Solution
The fourth proportional to 99,774,090.59, 136,688,220.71 and 96,043,756.13 is: 131,577,747.87
Step by Step Solution
- Step 1: Write the proportion equation
99,774,090.59 : 136,688,220.71 = 96,043,756.13 : x - Step 2: Convert to fraction form
99,774,090.59/136,688,220.71 = 96,043,756.13/x - Step 3: Cross multiply
99,774,090.59x = 136,688,220.71 × 96,043,756.13 - Step 4: Simplify right side
99,774,090.59x = 13,128,050,134,551,196 - Step 5: Solve for x
x = 13,128,050,134,551,196/99,774,090.59 - Step 6: Final answer
x = 131,577,747.87
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.