Home / 90,254,810.13-135,459,520.16-89,575,451.34

Finding the Fourth Proportional to 90,254,810.13, 135,459,520.16 and 89,575,451.34

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Solution

The fourth proportional to 90,254,810.13, 135,459,520.16 and 89,575,451.34 is: 134,439,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,254,810.13 : 135,459,520.16 = 89,575,451.34 : x
  2. Step 2: Convert to fraction form
    90,254,810.13/135,459,520.16 = 89,575,451.34/x
  3. Step 3: Cross multiply
    90,254,810.13x = 135,459,520.16 × 89,575,451.34
  4. Step 4: Simplify right side
    90,254,810.13x = 12,133,847,656,183,952
  5. Step 5: Solve for x
    x = 12,133,847,656,183,952/90,254,810.13
  6. Step 6: Final answer
    x = 134,439,900.09

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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.