Finding the Fourth Proportional to 110,779,592.08, 166,020,851.52 and 86,217,176.40
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Solution
The fourth proportional to 110,779,592.08, 166,020,851.52 and 86,217,176.40 is: 129,210,162.02
Step by Step Solution
- Step 1: Write the proportion equation
110,779,592.08 : 166,020,851.52 = 86,217,176.40 : x - Step 2: Convert to fraction form
110,779,592.08/166,020,851.52 = 86,217,176.40/x - Step 3: Cross multiply
110,779,592.08x = 166,020,851.52 × 86,217,176.40 - Step 4: Simplify right side
110,779,592.08x = 14,313,849,041,578,050 - Step 5: Solve for x
x = 14,313,849,041,578,050/110,779,592.08 - Step 6: Final answer
x = 129,210,162.02
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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.