Home / 107,986,746.90-161,994,328.35-39,877,281.30

Finding the Fourth Proportional to 107,986,746.90, 161,994,328.35 and 39,877,281.30

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Solution

The fourth proportional to 107,986,746.90, 161,994,328.35 and 39,877,281.30 is: 59,821,168.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,986,746.90 : 161,994,328.35 = 39,877,281.30 : x
  2. Step 2: Convert to fraction form
    107,986,746.90/161,994,328.35 = 39,877,281.30/x
  3. Step 3: Cross multiply
    107,986,746.90x = 161,994,328.35 × 39,877,281.30
  4. Step 4: Simplify right side
    107,986,746.90x = 6,459,893,400,617,514
  5. Step 5: Solve for x
    x = 6,459,893,400,617,514/107,986,746.90
  6. Step 6: Final answer
    x = 59,821,168.67

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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.