Home / 250,352,014.93-345,506,463.15-138,878,796.05

Finding the Fourth Proportional to 250,352,014.93, 345,506,463.15 and 138,878,796.05

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Solution

The fourth proportional to 250,352,014.93, 345,506,463.15 and 138,878,796.05 is: 191,664,211.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,352,014.93 : 345,506,463.15 = 138,878,796.05 : x
  2. Step 2: Convert to fraction form
    250,352,014.93/345,506,463.15 = 138,878,796.05/x
  3. Step 3: Cross multiply
    250,352,014.93x = 345,506,463.15 × 138,878,796.05
  4. Step 4: Simplify right side
    250,352,014.93x = 47,983,521,628,038,152
  5. Step 5: Solve for x
    x = 47,983,521,628,038,152/250,352,014.93
  6. Step 6: Final answer
    x = 191,664,211.86

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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.