Home / 191,838,335.20-287,633,776.30-75,265,472.45

Finding the Fourth Proportional to 191,838,335.20, 287,633,776.30 and 75,265,472.45

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Solution

The fourth proportional to 191,838,335.20, 287,633,776.30 and 75,265,472.45 is: 112,849,666.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,838,335.20 : 287,633,776.30 = 75,265,472.45 : x
  2. Step 2: Convert to fraction form
    191,838,335.20/287,633,776.30 = 75,265,472.45/x
  3. Step 3: Cross multiply
    191,838,335.20x = 287,633,776.30 × 75,265,472.45
  4. Step 4: Simplify right side
    191,838,335.20x = 21,648,892,066,328,036
  5. Step 5: Solve for x
    x = 21,648,892,066,328,036/191,838,335.20
  6. Step 6: Final answer
    x = 112,849,666.07

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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.