Home / 424,621,037.60-636,931,556.40-137,406,701.60

Finding the Fourth Proportional to 424,621,037.60, 636,931,556.40 and 137,406,701.60

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Solution

The fourth proportional to 424,621,037.60, 636,931,556.40 and 137,406,701.60 is: 206,110,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,621,037.60 : 636,931,556.40 = 137,406,701.60 : x
  2. Step 2: Convert to fraction form
    424,621,037.60/636,931,556.40 = 137,406,701.60/x
  3. Step 3: Cross multiply
    424,621,037.60x = 636,931,556.40 × 137,406,701.60
  4. Step 4: Simplify right side
    424,621,037.60x = 87,518,664,309,878,368
  5. Step 5: Solve for x
    x = 87,518,664,309,878,368/424,621,037.60
  6. Step 6: Final answer
    x = 206,110,052.40

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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.