Home / 191,574,007.70-287,361,011.55-55,263,838.10

Finding the Fourth Proportional to 191,574,007.70, 287,361,011.55 and 55,263,838.10

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Solution

The fourth proportional to 191,574,007.70, 287,361,011.55 and 55,263,838.10 is: 82,895,757.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,574,007.70 : 287,361,011.55 = 55,263,838.10 : x
  2. Step 2: Convert to fraction form
    191,574,007.70/287,361,011.55 = 55,263,838.10/x
  3. Step 3: Cross multiply
    191,574,007.70x = 287,361,011.55 × 55,263,838.10
  4. Step 4: Simplify right side
    191,574,007.70x = 15,880,672,418,551,432
  5. Step 5: Solve for x
    x = 15,880,672,418,551,432/191,574,007.70
  6. Step 6: Final answer
    x = 82,895,757.15

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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.