Home / 129,030,875.20-193,546,312.80-57,367,259.20

Finding the Fourth Proportional to 129,030,875.20, 193,546,312.80 and 57,367,259.20

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Solution

The fourth proportional to 129,030,875.20, 193,546,312.80 and 57,367,259.20 is: 86,050,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,030,875.20 : 193,546,312.80 = 57,367,259.20 : x
  2. Step 2: Convert to fraction form
    129,030,875.20/193,546,312.80 = 57,367,259.20/x
  3. Step 3: Cross multiply
    129,030,875.20x = 193,546,312.80 × 57,367,259.20
  4. Step 4: Simplify right side
    129,030,875.20x = 11,103,221,493,601,880
  5. Step 5: Solve for x
    x = 11,103,221,493,601,880/129,030,875.20
  6. Step 6: Final answer
    x = 86,050,888.80

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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.