Home / 129,965,683.72-179,249,330.64-110,451,170.20

Finding the Fourth Proportional to 129,965,683.72, 179,249,330.64 and 110,451,170.20

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Solution

The fourth proportional to 129,965,683.72, 179,249,330.64 and 110,451,170.20 is: 152,334,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,965,683.72 : 179,249,330.64 = 110,451,170.20 : x
  2. Step 2: Convert to fraction form
    129,965,683.72/179,249,330.64 = 110,451,170.20/x
  3. Step 3: Cross multiply
    129,965,683.72x = 179,249,330.64 × 110,451,170.20
  4. Step 4: Simplify right side
    129,965,683.72x = 19,798,298,326,754,712
  5. Step 5: Solve for x
    x = 19,798,298,326,754,712/129,965,683.72
  6. Step 6: Final answer
    x = 152,334,814.55

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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.