Finding the Fourth Proportional to 76,506,642.79, 114,804,420.57 and 32,187,681.39
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Solution
The fourth proportional to 76,506,642.79, 114,804,420.57 and 32,187,681.39 is: 48,300,225.66
Step by Step Solution
- Step 1: Write the proportion equation
76,506,642.79 : 114,804,420.57 = 32,187,681.39 : x - Step 2: Convert to fraction form
76,506,642.79/114,804,420.57 = 32,187,681.39/x - Step 3: Cross multiply
76,506,642.79x = 114,804,420.57 × 32,187,681.39 - Step 4: Simplify right side
76,506,642.79x = 3,695,288,111,470,722 - Step 5: Solve for x
x = 3,695,288,111,470,722/76,506,642.79 - Step 6: Final answer
x = 48,300,225.66
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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.