Home / 133,345,688.10-200,018,532.15-78,702,180.90

Finding the Fourth Proportional to 133,345,688.10, 200,018,532.15 and 78,702,180.90

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Solution

The fourth proportional to 133,345,688.10, 200,018,532.15 and 78,702,180.90 is: 118,053,271.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,345,688.10 : 200,018,532.15 = 78,702,180.90 : x
  2. Step 2: Convert to fraction form
    133,345,688.10/200,018,532.15 = 78,702,180.90/x
  3. Step 3: Cross multiply
    133,345,688.10x = 200,018,532.15 × 78,702,180.90
  4. Step 4: Simplify right side
    133,345,688.10x = 15,741,894,700,621,768
  5. Step 5: Solve for x
    x = 15,741,894,700,621,768/133,345,688.10
  6. Step 6: Final answer
    x = 118,053,271.35

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1.5x scale

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.