Home / 88,581,639.40-132,872,459.10-76,464,784.60

Finding the Fourth Proportional to 88,581,639.40, 132,872,459.10 and 76,464,784.60

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Solution

The fourth proportional to 88,581,639.40, 132,872,459.10 and 76,464,784.60 is: 114,697,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,581,639.40 : 132,872,459.10 = 76,464,784.60 : x
  2. Step 2: Convert to fraction form
    88,581,639.40/132,872,459.10 = 76,464,784.60/x
  3. Step 3: Cross multiply
    88,581,639.40x = 132,872,459.10 × 76,464,784.60
  4. Step 4: Simplify right side
    88,581,639.40x = 10,160,063,964,353,808
  5. Step 5: Solve for x
    x = 10,160,063,964,353,808/88,581,639.40
  6. Step 6: Final answer
    x = 114,697,176.90

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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.