Home / 162,111,372,903.66-243,118,102,117.77-48,761,008,641.57

Finding the Fourth Proportional to 162,111,372,903.66, 243,118,102,117.77 and 48,761,008,641.57

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Solution

The fourth proportional to 162,111,372,903.66, 243,118,102,117.77 and 48,761,008,641.57 is: 73,126,787,257.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,111,372,903.66 : 243,118,102,117.77 = 48,761,008,641.57 : x
  2. Step 2: Convert to fraction form
    162,111,372,903.66/243,118,102,117.77 = 48,761,008,641.57/x
  3. Step 3: Cross multiply
    162,111,372,903.66x = 243,118,102,117.77 × 48,761,008,641.57
  4. Step 4: Simplify right side
    162,111,372,903.66x = 11,854,683,878,286,679,867,392
  5. Step 5: Solve for x
    x = 11,854,683,878,286,679,867,392/162,111,372,903.66
  6. Step 6: Final answer
    x = 73,126,787,257.13

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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.