Finding the Fourth Proportional to 110,779,263.18, 166,020,360.93 and 86,216,849.55
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Solution
The fourth proportional to 110,779,263.18, 166,020,360.93 and 86,216,849.55 is: 129,209,673.99
Step by Step Solution
- Step 1: Write the proportion equation
110,779,263.18 : 166,020,360.93 = 86,216,849.55 : x - Step 2: Convert to fraction form
110,779,263.18/166,020,360.93 = 86,216,849.55/x - Step 3: Cross multiply
110,779,263.18x = 166,020,360.93 × 86,216,849.55 - Step 4: Simplify right side
110,779,263.18x = 14,313,752,480,538,508 - Step 5: Solve for x
x = 14,313,752,480,538,508/110,779,263.18 - Step 6: Final answer
x = 129,209,673.99
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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.