Home / 82,988,503.53-114,417,679.95-68,048,783.88

Finding the Fourth Proportional to 82,988,503.53, 114,417,679.95 and 68,048,783.88

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Solution

The fourth proportional to 82,988,503.53, 114,417,679.95 and 68,048,783.88 is: 93,820,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,988,503.53 : 114,417,679.95 = 68,048,783.88 : x
  2. Step 2: Convert to fraction form
    82,988,503.53/114,417,679.95 = 68,048,783.88/x
  3. Step 3: Cross multiply
    82,988,503.53x = 114,417,679.95 × 68,048,783.88
  4. Step 4: Simplify right side
    82,988,503.53x = 7,785,983,974,968,559
  5. Step 5: Solve for x
    x = 7,785,983,974,968,559/82,988,503.53
  6. Step 6: Final answer
    x = 93,820,031.01

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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.