Home / 130,745,704.86-180,437,232.90-72,008,355.08

Finding the Fourth Proportional to 130,745,704.86, 180,437,232.90 and 72,008,355.08

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Solution

The fourth proportional to 130,745,704.86, 180,437,232.90 and 72,008,355.08 is: 99,376,024.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,745,704.86 : 180,437,232.90 = 72,008,355.08 : x
  2. Step 2: Convert to fraction form
    130,745,704.86/180,437,232.90 = 72,008,355.08/x
  3. Step 3: Cross multiply
    130,745,704.86x = 180,437,232.90 × 72,008,355.08
  4. Step 4: Simplify right side
    130,745,704.86x = 12,992,988,336,315,858
  5. Step 5: Solve for x
    x = 12,992,988,336,315,858/130,745,704.86
  6. Step 6: Final answer
    x = 99,376,024.25

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Why These Related Problems?

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