Home / 130,336,276.80-195,630,386.40-65,713,051.20

Finding the Fourth Proportional to 130,336,276.80, 195,630,386.40 and 65,713,051.20

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Solution

The fourth proportional to 130,336,276.80, 195,630,386.40 and 65,713,051.20 is: 98,633,089.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,336,276.80 : 195,630,386.40 = 65,713,051.20 : x
  2. Step 2: Convert to fraction form
    130,336,276.80/195,630,386.40 = 65,713,051.20/x
  3. Step 3: Cross multiply
    130,336,276.80x = 195,630,386.40 × 65,713,051.20
  4. Step 4: Simplify right side
    130,336,276.80x = 12,855,469,597,778,984
  5. Step 5: Solve for x
    x = 12,855,469,597,778,984/130,336,276.80
  6. Step 6: Final answer
    x = 98,633,089.06

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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.