Home / 242,488,987.60-334,634,936.86-130,979,827.76

Finding the Fourth Proportional to 242,488,987.60, 334,634,936.86 and 130,979,827.76

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Solution

The fourth proportional to 242,488,987.60, 334,634,936.86 and 130,979,827.76 is: 180,752,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,488,987.60 : 334,634,936.86 = 130,979,827.76 : x
  2. Step 2: Convert to fraction form
    242,488,987.60/334,634,936.86 = 130,979,827.76/x
  3. Step 3: Cross multiply
    242,488,987.60x = 334,634,936.86 × 130,979,827.76
  4. Step 4: Simplify right side
    242,488,987.60x = 43,830,426,392,401,280
  5. Step 5: Solve for x
    x = 43,830,426,392,401,280/242,488,987.60
  6. Step 6: Final answer
    x = 180,752,234.67

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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.