Home / 103,839,716.10-143,342,931.12-64,700,830.59

Finding the Fourth Proportional to 103,839,716.10, 143,342,931.12 and 64,700,830.59

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Solution

The fourth proportional to 103,839,716.10, 143,342,931.12 and 64,700,830.59 is: 89,314,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,839,716.10 : 143,342,931.12 = 64,700,830.59 : x
  2. Step 2: Convert to fraction form
    103,839,716.10/143,342,931.12 = 64,700,830.59/x
  3. Step 3: Cross multiply
    103,839,716.10x = 143,342,931.12 × 64,700,830.59
  4. Step 4: Simplify right side
    103,839,716.10x = 9,274,406,701,888,996
  5. Step 5: Solve for x
    x = 9,274,406,701,888,996/103,839,716.10
  6. Step 6: Final answer
    x = 89,314,638.46

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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.