Home / 146,643,762.30-219,965,643.45-144,376,280.70

Finding the Fourth Proportional to 146,643,762.30, 219,965,643.45 and 144,376,280.70

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Solution

The fourth proportional to 146,643,762.30, 219,965,643.45 and 144,376,280.70 is: 216,564,421.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,643,762.30 : 219,965,643.45 = 144,376,280.70 : x
  2. Step 2: Convert to fraction form
    146,643,762.30/219,965,643.45 = 144,376,280.70/x
  3. Step 3: Cross multiply
    146,643,762.30x = 219,965,643.45 × 144,376,280.70
  4. Step 4: Simplify right side
    146,643,762.30x = 31,757,821,483,093,312
  5. Step 5: Solve for x
    x = 31,757,821,483,093,312/146,643,762.30
  6. Step 6: Final answer
    x = 216,564,421.05

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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.