Home / 104,088,188.40-156,020,308.20-39,366,985.20

Finding the Fourth Proportional to 104,088,188.40, 156,020,308.20 and 39,366,985.20

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Solution

The fourth proportional to 104,088,188.40, 156,020,308.20 and 39,366,985.20 is: 59,008,128.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,088,188.40 : 156,020,308.20 = 39,366,985.20 : x
  2. Step 2: Convert to fraction form
    104,088,188.40/156,020,308.20 = 39,366,985.20/x
  3. Step 3: Cross multiply
    104,088,188.40x = 156,020,308.20 × 39,366,985.20
  4. Step 4: Simplify right side
    104,088,188.40x = 6,142,049,163,808,839
  5. Step 5: Solve for x
    x = 6,142,049,163,808,839/104,088,188.40
  6. Step 6: Final answer
    x = 59,008,128.19

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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.