Home / 161,640,686.70-242,461,030.05-46,628,981.10

Finding the Fourth Proportional to 161,640,686.70, 242,461,030.05 and 46,628,981.10

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Solution

The fourth proportional to 161,640,686.70, 242,461,030.05 and 46,628,981.10 is: 69,943,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,640,686.70 : 242,461,030.05 = 46,628,981.10 : x
  2. Step 2: Convert to fraction form
    161,640,686.70/242,461,030.05 = 46,628,981.10/x
  3. Step 3: Cross multiply
    161,640,686.70x = 242,461,030.05 × 46,628,981.10
  4. Step 4: Simplify right side
    161,640,686.70x = 11,305,710,787,687,982
  5. Step 5: Solve for x
    x = 11,305,710,787,687,982/161,640,686.70
  6. Step 6: Final answer
    x = 69,943,471.65

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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.