Home / 52,180,307.68-72,009,050.64-28,975,363.36

Finding the Fourth Proportional to 52,180,307.68, 72,009,050.64 and 28,975,363.36

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Solution

The fourth proportional to 52,180,307.68, 72,009,050.64 and 28,975,363.36 is: 39,986,126.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,180,307.68 : 72,009,050.64 = 28,975,363.36 : x
  2. Step 2: Convert to fraction form
    52,180,307.68/72,009,050.64 = 28,975,363.36/x
  3. Step 3: Cross multiply
    52,180,307.68x = 72,009,050.64 × 28,975,363.36
  4. Step 4: Simplify right side
    52,180,307.68x = 2,086,488,407,502,640.50
  5. Step 5: Solve for x
    x = 2,086,488,407,502,640.50/52,180,307.68
  6. Step 6: Final answer
    x = 39,986,126.96

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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.