Home / 77,549,312.80-116,224,436.40-47,224,986.40

Finding the Fourth Proportional to 77,549,312.80, 116,224,436.40 and 47,224,986.40

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Solution

The fourth proportional to 77,549,312.80, 116,224,436.40 and 47,224,986.40 is: 70,776,867.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,549,312.80 : 116,224,436.40 = 47,224,986.40 : x
  2. Step 2: Convert to fraction form
    77,549,312.80/116,224,436.40 = 47,224,986.40/x
  3. Step 3: Cross multiply
    77,549,312.80x = 116,224,436.40 × 47,224,986.40
  4. Step 4: Simplify right side
    77,549,312.80x = 5,488,697,428,337,665
  5. Step 5: Solve for x
    x = 5,488,697,428,337,665/77,549,312.80
  6. Step 6: Final answer
    x = 70,776,867.39

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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.