Finding the Fourth Proportional to 117,527,521.80, 176,291,282.70 and 63,779,809.80
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Solution
The fourth proportional to 117,527,521.80, 176,291,282.70 and 63,779,809.80 is: 95,669,714.70
Step by Step Solution
- Step 1: Write the proportion equation
117,527,521.80 : 176,291,282.70 = 63,779,809.80 : x - Step 2: Convert to fraction form
117,527,521.80/176,291,282.70 = 63,779,809.80/x - Step 3: Cross multiply
117,527,521.80x = 176,291,282.70 × 63,779,809.80 - Step 4: Simplify right side
117,527,521.80x = 11,243,824,480,004,030 - Step 5: Solve for x
x = 11,243,824,480,004,030/117,527,521.80 - Step 6: Final answer
x = 95,669,714.70
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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.