Finding the Fourth Proportional to 152,995,652.49, 211,127,838.33 and 83,379,535.05
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Solution
The fourth proportional to 152,995,652.49, 211,127,838.33 and 83,379,535.05 is: 115,060,400.15
Step by Step Solution
- Step 1: Write the proportion equation
152,995,652.49 : 211,127,838.33 = 83,379,535.05 : x - Step 2: Convert to fraction form
152,995,652.49/211,127,838.33 = 83,379,535.05/x - Step 3: Cross multiply
152,995,652.49x = 211,127,838.33 × 83,379,535.05 - Step 4: Simplify right side
152,995,652.49x = 17,603,740,996,066,968 - Step 5: Solve for x
x = 17,603,740,996,066,968/152,995,652.49 - Step 6: Final answer
x = 115,060,400.15
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.