Finding the Fourth Proportional to 89,911,937.20, 124,078,472.18 and 48,658,829.58
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Solution
The fourth proportional to 89,911,937.20, 124,078,472.18 and 48,658,829.58 is: 67,149,184.19
Step by Step Solution
- Step 1: Write the proportion equation
89,911,937.20 : 124,078,472.18 = 48,658,829.58 : x - Step 2: Convert to fraction form
89,911,937.20/124,078,472.18 = 48,658,829.58/x - Step 3: Cross multiply
89,911,937.20x = 124,078,472.18 × 48,658,829.58 - Step 4: Simplify right side
89,911,937.20x = 6,037,513,232,353,391 - Step 5: Solve for x
x = 6,037,513,232,353,391/89,911,937.20 - Step 6: Final answer
x = 67,149,184.19
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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.