Home / 90,222,155.38-124,506,666.60-48,969,056.26

Finding the Fourth Proportional to 90,222,155.38, 124,506,666.60 and 48,969,056.26

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Solution

The fourth proportional to 90,222,155.38, 124,506,666.60 and 48,969,056.26 is: 67,577,347.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,222,155.38 : 124,506,666.60 = 48,969,056.26 : x
  2. Step 2: Convert to fraction form
    90,222,155.38/124,506,666.60 = 48,969,056.26/x
  3. Step 3: Cross multiply
    90,222,155.38x = 124,506,666.60 × 48,969,056.26
  4. Step 4: Simplify right side
    90,222,155.38x = 6,096,973,961,480,462
  5. Step 5: Solve for x
    x = 6,096,973,961,480,462/90,222,155.38
  6. Step 6: Final answer
    x = 67,577,347.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.