Home / 282,365,206.40-423,547,809.60-129,310,198.40

Finding the Fourth Proportional to 282,365,206.40, 423,547,809.60 and 129,310,198.40

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Solution

The fourth proportional to 282,365,206.40, 423,547,809.60 and 129,310,198.40 is: 193,965,297.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,365,206.40 : 423,547,809.60 = 129,310,198.40 : x
  2. Step 2: Convert to fraction form
    282,365,206.40/423,547,809.60 = 129,310,198.40/x
  3. Step 3: Cross multiply
    282,365,206.40x = 423,547,809.60 × 129,310,198.40
  4. Step 4: Simplify right side
    282,365,206.40x = 54,769,051,291,261,432
  5. Step 5: Solve for x
    x = 54,769,051,291,261,432/282,365,206.40
  6. Step 6: Final answer
    x = 193,965,297.60

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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.