Home / 121,265,216.20-182,011,985.70-63,798,729.40

Finding the Fourth Proportional to 121,265,216.20, 182,011,985.70 and 63,798,729.40

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Solution

The fourth proportional to 121,265,216.20, 182,011,985.70 and 63,798,729.40 is: 95,758,155.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,265,216.20 : 182,011,985.70 = 63,798,729.40 : x
  2. Step 2: Convert to fraction form
    121,265,216.20/182,011,985.70 = 63,798,729.40/x
  3. Step 3: Cross multiply
    121,265,216.20x = 182,011,985.70 × 63,798,729.40
  4. Step 4: Simplify right side
    121,265,216.20x = 11,612,133,423,230,968
  5. Step 5: Solve for x
    x = 11,612,133,423,230,968/121,265,216.20
  6. Step 6: Final answer
    x = 95,758,155.45

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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.