Home / 191,808,005.40-287,712,008.10-84,102,629.40

Finding the Fourth Proportional to 191,808,005.40, 287,712,008.10 and 84,102,629.40

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Solution

The fourth proportional to 191,808,005.40, 287,712,008.10 and 84,102,629.40 is: 126,153,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,808,005.40 : 287,712,008.10 = 84,102,629.40 : x
  2. Step 2: Convert to fraction form
    191,808,005.40/287,712,008.10 = 84,102,629.40/x
  3. Step 3: Cross multiply
    191,808,005.40x = 287,712,008.10 × 84,102,629.40
  4. Step 4: Simplify right side
    191,808,005.40x = 24,197,336,391,164,100
  5. Step 5: Solve for x
    x = 24,197,336,391,164,100/191,808,005.40
  6. Step 6: Final answer
    x = 126,153,944.10

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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.