Home / 130,366,988.60-195,550,482.90-39,490,577.60

Finding the Fourth Proportional to 130,366,988.60, 195,550,482.90 and 39,490,577.60

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Solution

The fourth proportional to 130,366,988.60, 195,550,482.90 and 39,490,577.60 is: 59,235,866.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,366,988.60 : 195,550,482.90 = 39,490,577.60 : x
  2. Step 2: Convert to fraction form
    130,366,988.60/195,550,482.90 = 39,490,577.60/x
  3. Step 3: Cross multiply
    130,366,988.60x = 195,550,482.90 × 39,490,577.60
  4. Step 4: Simplify right side
    130,366,988.60x = 7,722,401,519,679,924
  5. Step 5: Solve for x
    x = 7,722,401,519,679,924/130,366,988.60
  6. Step 6: Final answer
    x = 59,235,866.40

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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.