Finding the Fourth Proportional to 124,854,953.36, 172,298,566.44 and 69,100,482.08
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Solution
The fourth proportional to 124,854,953.36, 172,298,566.44 and 69,100,482.08 is: 95,357,962.84
Step by Step Solution
- Step 1: Write the proportion equation
124,854,953.36 : 172,298,566.44 = 69,100,482.08 : x - Step 2: Convert to fraction form
124,854,953.36/172,298,566.44 = 69,100,482.08/x - Step 3: Cross multiply
124,854,953.36x = 172,298,566.44 × 69,100,482.08 - Step 4: Simplify right side
124,854,953.36x = 11,905,914,002,696,908 - Step 5: Solve for x
x = 11,905,914,002,696,908/124,854,953.36 - Step 6: Final answer
x = 95,357,962.84
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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.