Home / 129,717,642.04-179,014,361.34-70,982,782.72

Finding the Fourth Proportional to 129,717,642.04, 179,014,361.34 and 70,982,782.72

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Solution

The fourth proportional to 129,717,642.04, 179,014,361.34 and 70,982,782.72 is: 97,958,437.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,717,642.04 : 179,014,361.34 = 70,982,782.72 : x
  2. Step 2: Convert to fraction form
    129,717,642.04/179,014,361.34 = 70,982,782.72/x
  3. Step 3: Cross multiply
    129,717,642.04x = 179,014,361.34 × 70,982,782.72
  4. Step 4: Simplify right side
    129,717,642.04x = 12,706,937,514,575,438
  5. Step 5: Solve for x
    x = 12,706,937,514,575,438/129,717,642.04
  6. Step 6: Final answer
    x = 97,958,437.38

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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.