Finding the Fourth Proportional to 165,420,029.20, 247,752,130.20 and 97,395,581.20
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Solution
The fourth proportional to 165,420,029.20, 247,752,130.20 and 97,395,581.20 is: 145,870,864.80
Step by Step Solution
- Step 1: Write the proportion equation
165,420,029.20 : 247,752,130.20 = 97,395,581.20 : x - Step 2: Convert to fraction form
165,420,029.20/247,752,130.20 = 97,395,581.20/x - Step 3: Cross multiply
165,420,029.20x = 247,752,130.20 × 97,395,581.20 - Step 4: Simplify right side
165,420,029.20x = 24,129,962,714,367,072 - Step 5: Solve for x
x = 24,129,962,714,367,072/165,420,029.20 - Step 6: Final answer
x = 145,870,864.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.