Finding the Fourth Proportional to 97,153,061.20, 145,636,279.80 and 56,170,430.80
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Solution
The fourth proportional to 97,153,061.20, 145,636,279.80 and 56,170,430.80 is: 84,201,696.53
Step by Step Solution
- Step 1: Write the proportion equation
97,153,061.20 : 145,636,279.80 = 56,170,430.80 : x - Step 2: Convert to fraction form
97,153,061.20/145,636,279.80 = 56,170,430.80/x - Step 3: Cross multiply
97,153,061.20x = 145,636,279.80 × 56,170,430.80 - Step 4: Simplify right side
97,153,061.20x = 8,180,452,576,475,338 - Step 5: Solve for x
x = 8,180,452,576,475,338/97,153,061.20 - Step 6: Final answer
x = 84,201,696.53
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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.