Home / 65,632,030.40-98,448,045.60-38,758,174.40

Finding the Fourth Proportional to 65,632,030.40, 98,448,045.60 and 38,758,174.40

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Solution

The fourth proportional to 65,632,030.40, 98,448,045.60 and 38,758,174.40 is: 58,137,261.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,632,030.40 : 98,448,045.60 = 38,758,174.40 : x
  2. Step 2: Convert to fraction form
    65,632,030.40/98,448,045.60 = 38,758,174.40/x
  3. Step 3: Cross multiply
    65,632,030.40x = 98,448,045.60 × 38,758,174.40
  4. Step 4: Simplify right side
    65,632,030.40x = 3,815,666,520,703,952.50
  5. Step 5: Solve for x
    x = 3,815,666,520,703,952.50/65,632,030.40
  6. Step 6: Final answer
    x = 58,137,261.60

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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.