Home / 144,829,011.60-217,495,459.80-76,804,563.60

Finding the Fourth Proportional to 144,829,011.60, 217,495,459.80 and 76,804,563.60

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Solution

The fourth proportional to 144,829,011.60, 217,495,459.80 and 76,804,563.60 is: 115,340,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,829,011.60 : 217,495,459.80 = 76,804,563.60 : x
  2. Step 2: Convert to fraction form
    144,829,011.60/217,495,459.80 = 76,804,563.60/x
  3. Step 3: Cross multiply
    144,829,011.60x = 217,495,459.80 × 76,804,563.60
  4. Step 4: Simplify right side
    144,829,011.60x = 16,704,643,874,920,342
  5. Step 5: Solve for x
    x = 16,704,643,874,920,342/144,829,011.60
  6. Step 6: Final answer
    x = 115,340,453.48

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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.