Home / 142,556,000.76-196,698,826.44-86,764,051.80

Finding the Fourth Proportional to 142,556,000.76, 196,698,826.44 and 86,764,051.80

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Solution

The fourth proportional to 142,556,000.76, 196,698,826.44 and 86,764,051.80 is: 119,717,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,556,000.76 : 196,698,826.44 = 86,764,051.80 : x
  2. Step 2: Convert to fraction form
    142,556,000.76/196,698,826.44 = 86,764,051.80/x
  3. Step 3: Cross multiply
    142,556,000.76x = 196,698,826.44 × 86,764,051.80
  4. Step 4: Simplify right side
    142,556,000.76x = 17,066,387,166,239,368
  5. Step 5: Solve for x
    x = 17,066,387,166,239,368/142,556,000.76
  6. Step 6: Final answer
    x = 119,717,073.12

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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.