Finding the Fourth Proportional to 97,103,435.60, 145,655,153.40 and 39,564,340.40
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Solution
The fourth proportional to 97,103,435.60, 145,655,153.40 and 39,564,340.40 is: 59,346,510.60
Step by Step Solution
- Step 1: Write the proportion equation
97,103,435.60 : 145,655,153.40 = 39,564,340.40 : x - Step 2: Convert to fraction form
97,103,435.60/145,655,153.40 = 39,564,340.40/x - Step 3: Cross multiply
97,103,435.60x = 145,655,153.40 × 39,564,340.40 - Step 4: Simplify right side
97,103,435.60x = 5,762,750,070,131,817 - Step 5: Solve for x
x = 5,762,750,070,131,817/97,103,435.60 - Step 6: Final answer
x = 59,346,510.60
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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.