Home / 77,688,313.80-116,532,470.70-26,572,000.20

Finding the Fourth Proportional to 77,688,313.80, 116,532,470.70 and 26,572,000.20

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Solution

The fourth proportional to 77,688,313.80, 116,532,470.70 and 26,572,000.20 is: 39,858,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,688,313.80 : 116,532,470.70 = 26,572,000.20 : x
  2. Step 2: Convert to fraction form
    77,688,313.80/116,532,470.70 = 26,572,000.20/x
  3. Step 3: Cross multiply
    77,688,313.80x = 116,532,470.70 × 26,572,000.20
  4. Step 4: Simplify right side
    77,688,313.80x = 3,096,500,834,746,894
  5. Step 5: Solve for x
    x = 3,096,500,834,746,894/77,688,313.80
  6. Step 6: Final answer
    x = 39,858,000.30

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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.