Home / 130,886,764.88-180,622,263.80-71,346,756.24

Finding the Fourth Proportional to 130,886,764.88, 180,622,263.80 and 71,346,756.24

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Solution

The fourth proportional to 130,886,764.88, 180,622,263.80 and 71,346,756.24 is: 98,457,721.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,886,764.88 : 180,622,263.80 = 71,346,756.24 : x
  2. Step 2: Convert to fraction form
    130,886,764.88/180,622,263.80 = 71,346,756.24/x
  3. Step 3: Cross multiply
    130,886,764.88x = 180,622,263.80 × 71,346,756.24
  4. Step 4: Simplify right side
    130,886,764.88x = 12,886,812,626,855,576
  5. Step 5: Solve for x
    x = 12,886,812,626,855,576/130,886,764.88
  6. Step 6: Final answer
    x = 98,457,721.36

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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.