Home / 144,358,803-216,451,727.80-45,947,998.40

Finding the Fourth Proportional to 144,358,803, 216,451,727.80 and 45,947,998.40

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Solution

The fourth proportional to 144,358,803, 216,451,727.80 and 45,947,998.40 is: 68,894,472.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,358,803 : 216,451,727.80 = 45,947,998.40 : x
  2. Step 2: Convert to fraction form
    144,358,803/216,451,727.80 = 45,947,998.40/x
  3. Step 3: Cross multiply
    144,358,803x = 216,451,727.80 × 45,947,998.40
  4. Step 4: Simplify right side
    144,358,803x = 9,945,523,642,631,636
  5. Step 5: Solve for x
    x = 9,945,523,642,631,636/144,358,803
  6. Step 6: Final answer
    x = 68,894,472.91

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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.