Home / 58,080,129.60-87,120,194.40-55,434,734.40

Finding the Fourth Proportional to 58,080,129.60, 87,120,194.40 and 55,434,734.40

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Solution

The fourth proportional to 58,080,129.60, 87,120,194.40 and 55,434,734.40 is: 83,152,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,080,129.60 : 87,120,194.40 = 55,434,734.40 : x
  2. Step 2: Convert to fraction form
    58,080,129.60/87,120,194.40 = 55,434,734.40/x
  3. Step 3: Cross multiply
    58,080,129.60x = 87,120,194.40 × 55,434,734.40
  4. Step 4: Simplify right side
    58,080,129.60x = 4,829,484,837,440,368
  5. Step 5: Solve for x
    x = 4,829,484,837,440,368/58,080,129.60
  6. Step 6: Final answer
    x = 83,152,101.60

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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.