Home / 79,488,005.20-119,232,007.80-43,113,821.20

Finding the Fourth Proportional to 79,488,005.20, 119,232,007.80 and 43,113,821.20

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Solution

The fourth proportional to 79,488,005.20, 119,232,007.80 and 43,113,821.20 is: 64,670,731.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,005.20 : 119,232,007.80 = 43,113,821.20 : x
  2. Step 2: Convert to fraction form
    79,488,005.20/119,232,007.80 = 43,113,821.20/x
  3. Step 3: Cross multiply
    79,488,005.20x = 119,232,007.80 × 43,113,821.20
  4. Step 4: Simplify right side
    79,488,005.20x = 5,140,547,465,606,206
  5. Step 5: Solve for x
    x = 5,140,547,465,606,206/79,488,005.20
  6. Step 6: Final answer
    x = 64,670,731.80

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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.