Home / 129,820,063.80-194,730,095.70-38,943,652.80

Finding the Fourth Proportional to 129,820,063.80, 194,730,095.70 and 38,943,652.80

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Solution

The fourth proportional to 129,820,063.80, 194,730,095.70 and 38,943,652.80 is: 58,415,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,820,063.80 : 194,730,095.70 = 38,943,652.80 : x
  2. Step 2: Convert to fraction form
    129,820,063.80/194,730,095.70 = 38,943,652.80/x
  3. Step 3: Cross multiply
    129,820,063.80x = 194,730,095.70 × 38,943,652.80
  4. Step 4: Simplify right side
    129,820,063.80x = 7,583,501,236,651,572
  5. Step 5: Solve for x
    x = 7,583,501,236,651,572/129,820,063.80
  6. Step 6: Final answer
    x = 58,415,479.20

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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.