Home / 131,868,875.80-197,803,313.70-67,371,621.40

Finding the Fourth Proportional to 131,868,875.80, 197,803,313.70 and 67,371,621.40

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Solution

The fourth proportional to 131,868,875.80, 197,803,313.70 and 67,371,621.40 is: 101,057,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868,875.80 : 197,803,313.70 = 67,371,621.40 : x
  2. Step 2: Convert to fraction form
    131,868,875.80/197,803,313.70 = 67,371,621.40/x
  3. Step 3: Cross multiply
    131,868,875.80x = 197,803,313.70 × 67,371,621.40
  4. Step 4: Simplify right side
    131,868,875.80x = 13,326,329,962,261,834
  5. Step 5: Solve for x
    x = 13,326,329,962,261,834/131,868,875.80
  6. Step 6: Final answer
    x = 101,057,432.10

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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.