Home / 65,418,312.84-90,277,868.76-36,050,699.12

Finding the Fourth Proportional to 65,418,312.84, 90,277,868.76 and 36,050,699.12

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Solution

The fourth proportional to 65,418,312.84, 90,277,868.76 and 36,050,699.12 is: 49,750,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,418,312.84 : 90,277,868.76 = 36,050,699.12 : x
  2. Step 2: Convert to fraction form
    65,418,312.84/90,277,868.76 = 36,050,699.12/x
  3. Step 3: Cross multiply
    65,418,312.84x = 90,277,868.76 × 36,050,699.12
  4. Step 4: Simplify right side
    65,418,312.84x = 3,254,580,283,861,607.50
  5. Step 5: Solve for x
    x = 3,254,580,283,861,607.50/65,418,312.84
  6. Step 6: Final answer
    x = 49,750,293.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.