Finding the Fourth Proportional to 90,199,569.48, 135,255,264.12 and 62,918,931.48
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Solution
The fourth proportional to 90,199,569.48, 135,255,264.12 and 62,918,931.48 is: 94,347,642.06
Step by Step Solution
- Step 1: Write the proportion equation
90,199,569.48 : 135,255,264.12 = 62,918,931.48 : x - Step 2: Convert to fraction form
90,199,569.48/135,255,264.12 = 62,918,931.48/x - Step 3: Cross multiply
90,199,569.48x = 135,255,264.12 × 62,918,931.48 - Step 4: Simplify right side
90,199,569.48x = 8,510,116,695,475,582 - Step 5: Solve for x
x = 8,510,116,695,475,582/90,199,569.48 - Step 6: Final answer
x = 94,347,642.06
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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.