Home / 99,809,931.70-149,714,897.55-28,006,347.70

Finding the Fourth Proportional to 99,809,931.70, 149,714,897.55 and 28,006,347.70

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Solution

The fourth proportional to 99,809,931.70, 149,714,897.55 and 28,006,347.70 is: 42,009,521.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,809,931.70 : 149,714,897.55 = 28,006,347.70 : x
  2. Step 2: Convert to fraction form
    99,809,931.70/149,714,897.55 = 28,006,347.70/x
  3. Step 3: Cross multiply
    99,809,931.70x = 149,714,897.55 × 28,006,347.70
  4. Step 4: Simplify right side
    99,809,931.70x = 4,192,967,476,655,178.50
  5. Step 5: Solve for x
    x = 4,192,967,476,655,178.50/99,809,931.70
  6. Step 6: Final answer
    x = 42,009,521.55

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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.