Finding the Fourth Proportional to 249,432,485.37, 374,124,681.77 and 76,862,963.85
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Solution
The fourth proportional to 249,432,485.37, 374,124,681.77 and 76,862,963.85 is: 115,287,035.88
Step by Step Solution
- Step 1: Write the proportion equation
249,432,485.37 : 374,124,681.77 = 76,862,963.85 : x - Step 2: Convert to fraction form
249,432,485.37/374,124,681.77 = 76,862,963.85/x - Step 3: Cross multiply
249,432,485.37x = 374,124,681.77 × 76,862,963.85 - Step 4: Simplify right side
249,432,485.37x = 28,756,331,889,895,944 - Step 5: Solve for x
x = 28,756,331,889,895,944/249,432,485.37 - Step 6: Final answer
x = 115,287,035.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.