Finding the Fourth Proportional to 107,472,533.40, 148,312,135.98 and 61,062,848.28
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Solution
The fourth proportional to 107,472,533.40, 148,312,135.98 and 61,062,848.28 is: 84,266,753.29
Step by Step Solution
- Step 1: Write the proportion equation
107,472,533.40 : 148,312,135.98 = 61,062,848.28 : x - Step 2: Convert to fraction form
107,472,533.40/148,312,135.98 = 61,062,848.28/x - Step 3: Cross multiply
107,472,533.40x = 148,312,135.98 × 61,062,848.28 - Step 4: Simplify right side
107,472,533.40x = 9,056,361,457,429,468 - Step 5: Solve for x
x = 9,056,361,457,429,468/107,472,533.40 - Step 6: Final answer
x = 84,266,753.29
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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.