Home / 130,409,353.04-179,968,958.28-71,670,952.40

Finding the Fourth Proportional to 130,409,353.04, 179,968,958.28 and 71,670,952.40

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Solution

The fourth proportional to 130,409,353.04, 179,968,958.28 and 71,670,952.40 is: 98,908,140.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,353.04 : 179,968,958.28 = 71,670,952.40 : x
  2. Step 2: Convert to fraction form
    130,409,353.04/179,968,958.28 = 71,670,952.40/x
  3. Step 3: Cross multiply
    130,409,353.04x = 179,968,958.28 × 71,670,952.40
  4. Step 4: Simplify right side
    130,409,353.04x = 12,898,546,642,363,468
  5. Step 5: Solve for x
    x = 12,898,546,642,363,468/130,409,353.04
  6. Step 6: Final answer
    x = 98,908,140.73

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