Home / 82,958,631.60-124,437,947.40-52,688,218.80

Finding the Fourth Proportional to 82,958,631.60, 124,437,947.40 and 52,688,218.80

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Solution

The fourth proportional to 82,958,631.60, 124,437,947.40 and 52,688,218.80 is: 79,032,328.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958,631.60 : 124,437,947.40 = 52,688,218.80 : x
  2. Step 2: Convert to fraction form
    82,958,631.60/124,437,947.40 = 52,688,218.80/x
  3. Step 3: Cross multiply
    82,958,631.60x = 124,437,947.40 × 52,688,218.80
  4. Step 4: Simplify right side
    82,958,631.60x = 6,556,413,799,634,091
  5. Step 5: Solve for x
    x = 6,556,413,799,634,091/82,958,631.60
  6. Step 6: Final answer
    x = 79,032,328.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.