Finding the Fourth Proportional to 145,734,913.60, 201,113,692.29 and 79,655,373.61
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Solution
The fourth proportional to 145,734,913.60, 201,113,692.29 and 79,655,373.61 is: 109,924,148.59
Step by Step Solution
- Step 1: Write the proportion equation
145,734,913.60 : 201,113,692.29 = 79,655,373.61 : x - Step 2: Convert to fraction form
145,734,913.60/201,113,692.29 = 79,655,373.61/x - Step 3: Cross multiply
145,734,913.60x = 201,113,692.29 × 79,655,373.61 - Step 4: Simplify right side
145,734,913.60x = 16,019,786,296,943,742 - Step 5: Solve for x
x = 16,019,786,296,943,742/145,734,913.60 - Step 6: Final answer
x = 109,924,148.59
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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.