Finding the Fourth Proportional to 70,885,828.17, 106,346,675.70 and 19,767,852.45
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Solution
The fourth proportional to 70,885,828.17, 106,346,675.70 and 19,767,852.45 is: 29,656,779.75
Step by Step Solution
- Step 1: Write the proportion equation
70,885,828.17 : 106,346,675.70 = 19,767,852.45 : x - Step 2: Convert to fraction form
70,885,828.17/106,346,675.70 = 19,767,852.45/x - Step 3: Cross multiply
70,885,828.17x = 106,346,675.70 × 19,767,852.45 - Step 4: Simplify right side
70,885,828.17x = 2,102,245,393,785,600.50 - Step 5: Solve for x
x = 2,102,245,393,785,600.50/70,885,828.17 - Step 6: Final answer
x = 29,656,779.75
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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.