Home / 130,014,032.04-179,415,475.74-71,274,689.64

Finding the Fourth Proportional to 130,014,032.04, 179,415,475.74 and 71,274,689.64

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Solution

The fourth proportional to 130,014,032.04, 179,415,475.74 and 71,274,689.64 is: 98,356,940.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,014,032.04 : 179,415,475.74 = 71,274,689.64 : x
  2. Step 2: Convert to fraction form
    130,014,032.04/179,415,475.74 = 71,274,689.64/x
  3. Step 3: Cross multiply
    130,014,032.04x = 179,415,475.74 × 71,274,689.64
  4. Step 4: Simplify right side
    130,014,032.04x = 12,787,782,349,981,450
  5. Step 5: Solve for x
    x = 12,787,782,349,981,450/130,014,032.04
  6. Step 6: Final answer
    x = 98,356,940.01

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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.