Home / 130,312,041.70-195,418,296.15-39,405,417.70

Finding the Fourth Proportional to 130,312,041.70, 195,418,296.15 and 39,405,417.70

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Solution

The fourth proportional to 130,312,041.70, 195,418,296.15 and 39,405,417.70 is: 59,093,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,312,041.70 : 195,418,296.15 = 39,405,417.70 : x
  2. Step 2: Convert to fraction form
    130,312,041.70/195,418,296.15 = 39,405,417.70/x
  3. Step 3: Cross multiply
    130,312,041.70x = 195,418,296.15 × 39,405,417.70
  4. Step 4: Simplify right side
    130,312,041.70x = 7,700,539,586,013,053
  5. Step 5: Solve for x
    x = 7,700,539,586,013,053/130,312,041.70
  6. Step 6: Final answer
    x = 59,093,077.55

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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.