Home / 130,142,150.20-179,596,152.21-74,388,762.37

Finding the Fourth Proportional to 130,142,150.20, 179,596,152.21 and 74,388,762.37

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Solution

The fourth proportional to 130,142,150.20, 179,596,152.21 and 74,388,762.37 is: 102,656,483.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,142,150.20 : 179,596,152.21 = 74,388,762.37 : x
  2. Step 2: Convert to fraction form
    130,142,150.20/179,596,152.21 = 74,388,762.37/x
  3. Step 3: Cross multiply
    130,142,150.20x = 179,596,152.21 × 74,388,762.37
  4. Step 4: Simplify right side
    130,142,150.20x = 13,359,935,489,316,042
  5. Step 5: Solve for x
    x = 13,359,935,489,316,042/130,142,150.20
  6. Step 6: Final answer
    x = 102,656,483.46

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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.