Home / 130,507,533.48-180,105,131.58-74,763,727.47

Finding the Fourth Proportional to 130,507,533.48, 180,105,131.58 and 74,763,727.47

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Solution

The fourth proportional to 130,507,533.48, 180,105,131.58 and 74,763,727.47 is: 103,176,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,533.48 : 180,105,131.58 = 74,763,727.47 : x
  2. Step 2: Convert to fraction form
    130,507,533.48/180,105,131.58 = 74,763,727.47/x
  3. Step 3: Cross multiply
    130,507,533.48x = 180,105,131.58 × 74,763,727.47
  4. Step 4: Simplify right side
    130,507,533.48x = 13,465,330,973,395,612
  5. Step 5: Solve for x
    x = 13,465,330,973,395,612/130,507,533.48
  6. Step 6: Final answer
    x = 103,176,656.66

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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.