Home / 191,808,005.10-287,712,007.65-174,235,022.70

Finding the Fourth Proportional to 191,808,005.10, 287,712,007.65 and 174,235,022.70

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Solution

The fourth proportional to 191,808,005.10, 287,712,007.65 and 174,235,022.70 is: 261,352,534.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,005.10 : 287,712,007.65 = 174,235,022.70 : x
  2. Step 2: Convert to fraction form
    191,808,005.10/287,712,007.65 = 174,235,022.70/x
  3. Step 3: Cross multiply
    191,808,005.10x = 287,712,007.65 × 174,235,022.70
  4. Step 4: Simplify right side
    191,808,005.10x = 50,129,508,183,960,320
  5. Step 5: Solve for x
    x = 50,129,508,183,960,320/191,808,005.10
  6. Step 6: Final answer
    x = 261,352,534.05

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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.