Home / 90,688,515.10-136,050,487.35-36,091,809.70

Finding the Fourth Proportional to 90,688,515.10, 136,050,487.35 and 36,091,809.70

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Solution

The fourth proportional to 90,688,515.10, 136,050,487.35 and 36,091,809.70 is: 54,144,764.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,688,515.10 : 136,050,487.35 = 36,091,809.70 : x
  2. Step 2: Convert to fraction form
    90,688,515.10/136,050,487.35 = 36,091,809.70/x
  3. Step 3: Cross multiply
    90,688,515.10x = 136,050,487.35 × 36,091,809.70
  4. Step 4: Simplify right side
    90,688,515.10x = 4,910,308,299,028,457
  5. Step 5: Solve for x
    x = 4,910,308,299,028,457/90,688,515.10
  6. Step 6: Final answer
    x = 54,144,764.57

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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.