Home / 56,151,837.90-84,290,742.45-43,428,746.70

Finding the Fourth Proportional to 56,151,837.90, 84,290,742.45 and 43,428,746.70

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Solution

The fourth proportional to 56,151,837.90, 84,290,742.45 and 43,428,746.70 is: 65,191,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151,837.90 : 84,290,742.45 = 43,428,746.70 : x
  2. Step 2: Convert to fraction form
    56,151,837.90/84,290,742.45 = 43,428,746.70/x
  3. Step 3: Cross multiply
    56,151,837.90x = 84,290,742.45 × 43,428,746.70
  4. Step 4: Simplify right side
    56,151,837.90x = 3,660,641,303,015,988
  5. Step 5: Solve for x
    x = 3,660,641,303,015,988/56,151,837.90
  6. Step 6: Final answer
    x = 65,191,834.14

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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.