Home / 130,778,603.52-180,446,860.80-75,771,110.40

Finding the Fourth Proportional to 130,778,603.52, 180,446,860.80 and 75,771,110.40

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Solution

The fourth proportional to 130,778,603.52, 180,446,860.80 and 75,771,110.40 is: 104,548,134.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,778,603.52 : 180,446,860.80 = 75,771,110.40 : x
  2. Step 2: Convert to fraction form
    130,778,603.52/180,446,860.80 = 75,771,110.40/x
  3. Step 3: Cross multiply
    130,778,603.52x = 180,446,860.80 × 75,771,110.40
  4. Step 4: Simplify right side
    130,778,603.52x = 13,672,659,011,010,234
  5. Step 5: Solve for x
    x = 13,672,659,011,010,234/130,778,603.52
  6. Step 6: Final answer
    x = 104,548,134.35

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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.