Home / 77,880,082.10-116,820,123.15-39,616,330.10

Finding the Fourth Proportional to 77,880,082.10, 116,820,123.15 and 39,616,330.10

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Solution

The fourth proportional to 77,880,082.10, 116,820,123.15 and 39,616,330.10 is: 59,424,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,880,082.10 : 116,820,123.15 = 39,616,330.10 : x
  2. Step 2: Convert to fraction form
    77,880,082.10/116,820,123.15 = 39,616,330.10/x
  3. Step 3: Cross multiply
    77,880,082.10x = 116,820,123.15 × 39,616,330.10
  4. Step 4: Simplify right side
    77,880,082.10x = 4,627,984,561,033,052
  5. Step 5: Solve for x
    x = 4,627,984,561,033,052/77,880,082.10
  6. Step 6: Final answer
    x = 59,424,495.15

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1.5x scale

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.