Home / 65,302,415.90-97,841,649.45-42,571,612.70

Finding the Fourth Proportional to 65,302,415.90, 97,841,649.45 and 42,571,612.70

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Solution

The fourth proportional to 65,302,415.90, 97,841,649.45 and 42,571,612.70 is: 63,784,421.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,302,415.90 : 97,841,649.45 = 42,571,612.70 : x
  2. Step 2: Convert to fraction form
    65,302,415.90/97,841,649.45 = 42,571,612.70/x
  3. Step 3: Cross multiply
    65,302,415.90x = 97,841,649.45 × 42,571,612.70
  4. Step 4: Simplify right side
    65,302,415.90x = 4,165,276,806,314,568.50
  5. Step 5: Solve for x
    x = 4,165,276,806,314,568.50/65,302,415.90
  6. Step 6: Final answer
    x = 63,784,421.28

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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.