Home / 137,290,106.40-205,835,312.52-64,469,363.28

Finding the Fourth Proportional to 137,290,106.40, 205,835,312.52 and 64,469,363.28

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Solution

The fourth proportional to 137,290,106.40, 205,835,312.52 and 64,469,363.28 is: 96,657,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,290,106.40 : 205,835,312.52 = 64,469,363.28 : x
  2. Step 2: Convert to fraction form
    137,290,106.40/205,835,312.52 = 64,469,363.28/x
  3. Step 3: Cross multiply
    137,290,106.40x = 205,835,312.52 × 64,469,363.28
  4. Step 4: Simplify right side
    137,290,106.40x = 13,270,071,538,704,214
  5. Step 5: Solve for x
    x = 13,270,071,538,704,214/137,290,106.40
  6. Step 6: Final answer
    x = 96,657,158.24

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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.