Home / 286,011,005.80-429,072,495.90-122,248,445.80

Finding the Fourth Proportional to 286,011,005.80, 429,072,495.90 and 122,248,445.80

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Solution

The fourth proportional to 286,011,005.80, 429,072,495.90 and 122,248,445.80 is: 183,396,599.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,011,005.80 : 429,072,495.90 = 122,248,445.80 : x
  2. Step 2: Convert to fraction form
    286,011,005.80/429,072,495.90 = 122,248,445.80/x
  3. Step 3: Cross multiply
    286,011,005.80x = 429,072,495.90 × 122,248,445.80
  4. Step 4: Simplify right side
    286,011,005.80x = 52,453,445,759,301,872
  5. Step 5: Solve for x
    x = 52,453,445,759,301,872/286,011,005.80
  6. Step 6: Final answer
    x = 183,396,599.07

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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.