Finding the Fourth Proportional to 156,357,245.84, 215,683,352.48 and 97,517,758.61
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Solution
The fourth proportional to 156,357,245.84, 215,683,352.48 and 97,517,758.61 is: 134,518,595.47
Step by Step Solution
- Step 1: Write the proportion equation
156,357,245.84 : 215,683,352.48 = 97,517,758.61 : x - Step 2: Convert to fraction form
156,357,245.84/215,683,352.48 = 97,517,758.61/x - Step 3: Cross multiply
156,357,245.84x = 215,683,352.48 × 97,517,758.61 - Step 4: Simplify right side
156,357,245.84x = 21,032,957,101,774,180 - Step 5: Solve for x
x = 21,032,957,101,774,180/156,357,245.84 - Step 6: Final answer
x = 134,518,595.47
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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.