Finding the Fourth Proportional to 70,634,116.10, 106,018,825.35 and 36,579,901.70
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Solution
The fourth proportional to 70,634,116.10, 106,018,825.35 and 36,579,901.70 is: 54,904,887.66
Step by Step Solution
- Step 1: Write the proportion equation
70,634,116.10 : 106,018,825.35 = 36,579,901.70 : x - Step 2: Convert to fraction form
70,634,116.10/106,018,825.35 = 36,579,901.70/x - Step 3: Cross multiply
70,634,116.10x = 106,018,825.35 × 36,579,901.70 - Step 4: Simplify right side
70,634,116.10x = 3,878,158,209,652,468 - Step 5: Solve for x
x = 3,878,158,209,652,468/70,634,116.10 - Step 6: Final answer
x = 54,904,887.66
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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.