Home / 424,621,063.60-636,931,595.40-137,406,727.60

Finding the Fourth Proportional to 424,621,063.60, 636,931,595.40 and 137,406,727.60

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Solution

The fourth proportional to 424,621,063.60, 636,931,595.40 and 137,406,727.60 is: 206,110,091.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,621,063.60 : 636,931,595.40 = 137,406,727.60 : x
  2. Step 2: Convert to fraction form
    424,621,063.60/636,931,595.40 = 137,406,727.60/x
  3. Step 3: Cross multiply
    424,621,063.60x = 636,931,595.40 × 137,406,727.60
  4. Step 4: Simplify right side
    424,621,063.60x = 87,518,686,228,961,200
  5. Step 5: Solve for x
    x = 87,518,686,228,961,200/424,621,063.60
  6. Step 6: Final answer
    x = 206,110,091.40

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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.