Home / 191,462,326.40-287,244,811.20-76,527,603.20

Finding the Fourth Proportional to 191,462,326.40, 287,244,811.20 and 76,527,603.20

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Solution

The fourth proportional to 191,462,326.40, 287,244,811.20 and 76,527,603.20 is: 114,811,918.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,462,326.40 : 287,244,811.20 = 76,527,603.20 : x
  2. Step 2: Convert to fraction form
    191,462,326.40/287,244,811.20 = 76,527,603.20/x
  3. Step 3: Cross multiply
    191,462,326.40x = 287,244,811.20 × 76,527,603.20
  4. Step 4: Simplify right side
    191,462,326.40x = 21,982,156,932,772,516
  5. Step 5: Solve for x
    x = 21,982,156,932,772,516/191,462,326.40
  6. Step 6: Final answer
    x = 114,811,918.07

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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.