Home / 239,139,573.90-358,483,662.45-129,803,570.70

Finding the Fourth Proportional to 239,139,573.90, 358,483,662.45 and 129,803,570.70

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Solution

The fourth proportional to 239,139,573.90, 358,483,662.45 and 129,803,570.70 is: 194,582,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,139,573.90 : 358,483,662.45 = 129,803,570.70 : x
  2. Step 2: Convert to fraction form
    239,139,573.90/358,483,662.45 = 129,803,570.70/x
  3. Step 3: Cross multiply
    239,139,573.90x = 358,483,662.45 × 129,803,570.70
  4. Step 4: Simplify right side
    239,139,573.90x = 46,532,459,423,623,512
  5. Step 5: Solve for x
    x = 46,532,459,423,623,512/239,139,573.90
  6. Step 6: Final answer
    x = 194,582,848.27

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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.