Home / 89,677,417.20-134,516,125.80-67,994,624.40

Finding the Fourth Proportional to 89,677,417.20, 134,516,125.80 and 67,994,624.40

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Solution

The fourth proportional to 89,677,417.20, 134,516,125.80 and 67,994,624.40 is: 101,991,936.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,677,417.20 : 134,516,125.80 = 67,994,624.40 : x
  2. Step 2: Convert to fraction form
    89,677,417.20/134,516,125.80 = 67,994,624.40/x
  3. Step 3: Cross multiply
    89,677,417.20x = 134,516,125.80 × 67,994,624.40
  4. Step 4: Simplify right side
    89,677,417.20x = 9,146,373,449,514,152
  5. Step 5: Solve for x
    x = 9,146,373,449,514,152/89,677,417.20
  6. Step 6: Final answer
    x = 101,991,936.60

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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.