Finding the Fourth Proportional to 74,768,903.70, 112,268,829.15 and 40,756,679.70
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Solution
The fourth proportional to 74,768,903.70, 112,268,829.15 and 40,756,679.70 is: 61,197,964.44
Step by Step Solution
- Step 1: Write the proportion equation
74,768,903.70 : 112,268,829.15 = 40,756,679.70 : x - Step 2: Convert to fraction form
74,768,903.70/112,268,829.15 = 40,756,679.70/x - Step 3: Cross multiply
74,768,903.70x = 112,268,829.15 × 40,756,679.70 - Step 4: Simplify right side
74,768,903.70x = 4,575,704,709,960,574 - Step 5: Solve for x
x = 4,575,704,709,960,574/74,768,903.70 - Step 6: Final answer
x = 61,197,964.44
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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.