Home / 247,063,691,281.53-340,929,182,808.36-138,655,851,477.49

Finding the Fourth Proportional to 247,063,691,281.53, 340,929,182,808.36 and 138,655,851,477.49

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Solution

The fourth proportional to 247,063,691,281.53, 340,929,182,808.36 and 138,655,851,477.49 is: 191,334,574,055.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,063,691,281.53 : 340,929,182,808.36 = 138,655,851,477.49 : x
  2. Step 2: Convert to fraction form
    247,063,691,281.53/340,929,182,808.36 = 138,655,851,477.49/x
  3. Step 3: Cross multiply
    247,063,691,281.53x = 340,929,182,808.36 × 138,655,851,477.49
  4. Step 4: Simplify right side
    247,063,691,281.53x = 47,271,826,135,817,994,108,928
  5. Step 5: Solve for x
    x = 47,271,826,135,817,994,108,928/247,063,691,281.53
  6. Step 6: Final answer
    x = 191,334,574,055.04

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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.