Home / 52,275,655.84-78,342,828.72-19,909,902.40

Finding the Fourth Proportional to 52,275,655.84, 78,342,828.72 and 19,909,902.40

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Solution

The fourth proportional to 52,275,655.84, 78,342,828.72 and 19,909,902.40 is: 29,837,943.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,275,655.84 : 78,342,828.72 = 19,909,902.40 : x
  2. Step 2: Convert to fraction form
    52,275,655.84/78,342,828.72 = 19,909,902.40/x
  3. Step 3: Cross multiply
    52,275,655.84x = 78,342,828.72 × 19,909,902.40
  4. Step 4: Simplify right side
    52,275,655.84x = 1,559,798,073,555,116.75
  5. Step 5: Solve for x
    x = 1,559,798,073,555,116.75/52,275,655.84
  6. Step 6: Final answer
    x = 29,837,943.66

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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.