Home / 118,829,017.80-178,030,950.30-100,547,447.40

Finding the Fourth Proportional to 118,829,017.80, 178,030,950.30 and 100,547,447.40

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Solution

The fourth proportional to 118,829,017.80, 178,030,950.30 and 100,547,447.40 is: 150,641,299.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,829,017.80 : 178,030,950.30 = 100,547,447.40 : x
  2. Step 2: Convert to fraction form
    118,829,017.80/178,030,950.30 = 100,547,447.40/x
  3. Step 3: Cross multiply
    118,829,017.80x = 178,030,950.30 × 100,547,447.40
  4. Step 4: Simplify right side
    118,829,017.80x = 17,900,557,610,861,266
  5. Step 5: Solve for x
    x = 17,900,557,610,861,266/118,829,017.80
  6. Step 6: Final answer
    x = 150,641,299.09

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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.