Home / 186,604,886.20-279,907,329.30-118,748,399.80

Finding the Fourth Proportional to 186,604,886.20, 279,907,329.30 and 118,748,399.80

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Solution

The fourth proportional to 186,604,886.20, 279,907,329.30 and 118,748,399.80 is: 178,122,599.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,604,886.20 : 279,907,329.30 = 118,748,399.80 : x
  2. Step 2: Convert to fraction form
    186,604,886.20/279,907,329.30 = 118,748,399.80/x
  3. Step 3: Cross multiply
    186,604,886.20x = 279,907,329.30 × 118,748,399.80
  4. Step 4: Simplify right side
    186,604,886.20x = 33,238,547,446,666,656
  5. Step 5: Solve for x
    x = 33,238,547,446,666,656/186,604,886.20
  6. Step 6: Final answer
    x = 178,122,599.70

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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.