Home / 130,569,779.20-195,862,041.60-39,696,332.80

Finding the Fourth Proportional to 130,569,779.20, 195,862,041.60 and 39,696,332.80

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Solution

The fourth proportional to 130,569,779.20, 195,862,041.60 and 39,696,332.80 is: 59,546,740.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,569,779.20 : 195,862,041.60 = 39,696,332.80 : x
  2. Step 2: Convert to fraction form
    130,569,779.20/195,862,041.60 = 39,696,332.80/x
  3. Step 3: Cross multiply
    130,569,779.20x = 195,862,041.60 × 39,696,332.80
  4. Step 4: Simplify right side
    130,569,779.20x = 7,775,004,786,241,044
  5. Step 5: Solve for x
    x = 7,775,004,786,241,044/130,569,779.20
  6. Step 6: Final answer
    x = 59,546,740.71

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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.