Home / 84,935,306.70-127,402,960.05-72,180,722.70

Finding the Fourth Proportional to 84,935,306.70, 127,402,960.05 and 72,180,722.70

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Solution

The fourth proportional to 84,935,306.70, 127,402,960.05 and 72,180,722.70 is: 108,271,084.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,935,306.70 : 127,402,960.05 = 72,180,722.70 : x
  2. Step 2: Convert to fraction form
    84,935,306.70/127,402,960.05 = 72,180,722.70/x
  3. Step 3: Cross multiply
    84,935,306.70x = 127,402,960.05 × 72,180,722.70
  4. Step 4: Simplify right side
    84,935,306.70x = 9,196,037,730,528,228
  5. Step 5: Solve for x
    x = 9,196,037,730,528,228/84,935,306.70
  6. Step 6: Final answer
    x = 108,271,084.05

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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.