Home / 65,723,393.90-90,223,339.67-56,414,803.43

Finding the Fourth Proportional to 65,723,393.90, 90,223,339.67 and 56,414,803.43

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Solution

The fourth proportional to 65,723,393.90, 90,223,339.67 and 56,414,803.43 is: 77,444,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,723,393.90 : 90,223,339.67 = 56,414,803.43 : x
  2. Step 2: Convert to fraction form
    65,723,393.90/90,223,339.67 = 56,414,803.43/x
  3. Step 3: Cross multiply
    65,723,393.90x = 90,223,339.67 × 56,414,803.43
  4. Step 4: Simplify right side
    65,723,393.90x = 5,089,931,971,547,980
  5. Step 5: Solve for x
    x = 5,089,931,971,547,980/65,723,393.90
  6. Step 6: Final answer
    x = 77,444,752.47

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.