Home / 128,967,545.40-193,476,832.02-36,852,116.28

Finding the Fourth Proportional to 128,967,545.40, 193,476,832.02 and 36,852,116.28

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Solution

The fourth proportional to 128,967,545.40, 193,476,832.02 and 36,852,116.28 is: 55,285,464.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,967,545.40 : 193,476,832.02 = 36,852,116.28 : x
  2. Step 2: Convert to fraction form
    128,967,545.40/193,476,832.02 = 36,852,116.28/x
  3. Step 3: Cross multiply
    128,967,545.40x = 193,476,832.02 × 36,852,116.28
  4. Step 4: Simplify right side
    128,967,545.40x = 7,130,030,711,087,068
  5. Step 5: Solve for x
    x = 7,130,030,711,087,068/128,967,545.40
  6. Step 6: Final answer
    x = 55,285,464.95

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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.