Home / 76,539,437.77-114,862,956.96-69,221,495.20

Finding the Fourth Proportional to 76,539,437.77, 114,862,956.96 and 69,221,495.20

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Solution

The fourth proportional to 76,539,437.77, 114,862,956.96 and 69,221,495.20 is: 103,880,899.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,539,437.77 : 114,862,956.96 = 69,221,495.20 : x
  2. Step 2: Convert to fraction form
    76,539,437.77/114,862,956.96 = 69,221,495.20/x
  3. Step 3: Cross multiply
    76,539,437.77x = 114,862,956.96 × 69,221,495.20
  4. Step 4: Simplify right side
    76,539,437.77x = 7,950,985,623,864,446
  5. Step 5: Solve for x
    x = 7,950,985,623,864,446/76,539,437.77
  6. Step 6: Final answer
    x = 103,880,899.25

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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.