Home / 130,366,991.10-195,550,486.65-39,490,580.10

Finding the Fourth Proportional to 130,366,991.10, 195,550,486.65 and 39,490,580.10

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Solution

The fourth proportional to 130,366,991.10, 195,550,486.65 and 39,490,580.10 is: 59,235,870.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,366,991.10 : 195,550,486.65 = 39,490,580.10 : x
  2. Step 2: Convert to fraction form
    130,366,991.10/195,550,486.65 = 39,490,580.10/x
  3. Step 3: Cross multiply
    130,366,991.10x = 195,550,486.65 × 39,490,580.10
  4. Step 4: Simplify right side
    130,366,991.10x = 7,722,402,156,645,806
  5. Step 5: Solve for x
    x = 7,722,402,156,645,806/130,366,991.10
  6. Step 6: Final answer
    x = 59,235,870.15

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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.