Home / 129,099,472,448.58-178,157,890,762.33-71,227,849,352.44

Finding the Fourth Proportional to 129,099,472,448.58, 178,157,890,762.33 and 71,227,849,352.44

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Solution

The fourth proportional to 129,099,472,448.58, 178,157,890,762.33 and 71,227,849,352.44 is: 98,294,773,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,099,472,448.58 : 178,157,890,762.33 = 71,227,849,352.44 : x
  2. Step 2: Convert to fraction form
    129,099,472,448.58/178,157,890,762.33 = 71,227,849,352.44/x
  3. Step 3: Cross multiply
    129,099,472,448.58x = 178,157,890,762.33 × 71,227,849,352.44
  4. Step 4: Simplify right side
    129,099,472,448.58x = 12,689,803,404,168,415,674,368
  5. Step 5: Solve for x
    x = 12,689,803,404,168,415,674,368/129,099,472,448.58
  6. Step 6: Final answer
    x = 98,294,773,506.71

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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.