Finding the Fourth Proportional to 103,696,038.41, 143,103,420.50 and 57,289,281.68
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Solution
The fourth proportional to 103,696,038.41, 143,103,420.50 and 57,289,281.68 is: 79,060,803.99
Step by Step Solution
- Step 1: Write the proportion equation
103,696,038.41 : 143,103,420.50 = 57,289,281.68 : x - Step 2: Convert to fraction form
103,696,038.41/143,103,420.50 = 57,289,281.68/x - Step 3: Cross multiply
103,696,038.41x = 143,103,420.50 × 57,289,281.68 - Step 4: Simplify right side
103,696,038.41x = 8,198,292,166,467,298 - Step 5: Solve for x
x = 8,198,292,166,467,298/103,696,038.41 - Step 6: Final answer
x = 79,060,803.99
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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.