Home / 75,116,249,720.20-112,674,374,580.30-40,287,732,344.20

Finding the Fourth Proportional to 75,116,249,720.20, 112,674,374,580.30 and 40,287,732,344.20

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Solution

The fourth proportional to 75,116,249,720.20, 112,674,374,580.30 and 40,287,732,344.20 is: 60,431,598,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116,249,720.20 : 112,674,374,580.30 = 40,287,732,344.20 : x
  2. Step 2: Convert to fraction form
    75,116,249,720.20/112,674,374,580.30 = 40,287,732,344.20/x
  3. Step 3: Cross multiply
    75,116,249,720.20x = 112,674,374,580.30 × 40,287,732,344.20
  4. Step 4: Simplify right side
    75,116,249,720.20x = 4,539,395,045,141,258,436,608
  5. Step 5: Solve for x
    x = 4,539,395,045,141,258,436,608/75,116,249,720.20
  6. Step 6: Final answer
    x = 60,431,598,516.30

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1.5x scale

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.