Home / 100,509,061.90-150,763,592.85-43,007,145.70

Finding the Fourth Proportional to 100,509,061.90, 150,763,592.85 and 43,007,145.70

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Solution

The fourth proportional to 100,509,061.90, 150,763,592.85 and 43,007,145.70 is: 64,510,718.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,509,061.90 : 150,763,592.85 = 43,007,145.70 : x
  2. Step 2: Convert to fraction form
    100,509,061.90/150,763,592.85 = 43,007,145.70/x
  3. Step 3: Cross multiply
    100,509,061.90x = 150,763,592.85 × 43,007,145.70
  4. Step 4: Simplify right side
    100,509,061.90x = 6,483,911,803,955,428
  5. Step 5: Solve for x
    x = 6,483,911,803,955,428/100,509,061.90
  6. Step 6: Final answer
    x = 64,510,718.55

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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.