Home / 124,136,648.55-186,220,431.27-42,249,234.02

Finding the Fourth Proportional to 124,136,648.55, 186,220,431.27 and 42,249,234.02

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Solution

The fourth proportional to 124,136,648.55, 186,220,431.27 and 42,249,234.02 is: 63,379,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,136,648.55 : 186,220,431.27 = 42,249,234.02 : x
  2. Step 2: Convert to fraction form
    124,136,648.55/186,220,431.27 = 42,249,234.02/x
  3. Step 3: Cross multiply
    124,136,648.55x = 186,220,431.27 × 42,249,234.02
  4. Step 4: Simplify right side
    124,136,648.55x = 7,867,670,579,100,454
  5. Step 5: Solve for x
    x = 7,867,670,579,100,454/124,136,648.55
  6. Step 6: Final answer
    x = 63,379,112.22

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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.