Finding the Fourth Proportional to 73,518,903.62, 101,455,253.49 and 40,478,478.02
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Solution
The fourth proportional to 73,518,903.62, 101,455,253.49 and 40,478,478.02 is: 55,859,840.75
Step by Step Solution
- Step 1: Write the proportion equation
73,518,903.62 : 101,455,253.49 = 40,478,478.02 : x - Step 2: Convert to fraction form
73,518,903.62/101,455,253.49 = 40,478,478.02/x - Step 3: Cross multiply
73,518,903.62x = 101,455,253.49 × 40,478,478.02 - Step 4: Simplify right side
73,518,903.62x = 4,106,754,248,408,493.50 - Step 5: Solve for x
x = 4,106,754,248,408,493.50/73,518,903.62 - Step 6: Final answer
x = 55,859,840.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.