Home / 261,473,029.07-360,828,420-144,009,289.14

Finding the Fourth Proportional to 261,473,029.07, 360,828,420 and 144,009,289.14

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Solution

The fourth proportional to 261,473,029.07, 360,828,420 and 144,009,289.14 is: 198,730,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,473,029.07 : 360,828,420 = 144,009,289.14 : x
  2. Step 2: Convert to fraction form
    261,473,029.07/360,828,420 = 144,009,289.14/x
  3. Step 3: Cross multiply
    261,473,029.07x = 360,828,420 × 144,009,289.14
  4. Step 4: Simplify right side
    261,473,029.07x = 51,962,644,265,709,352
  5. Step 5: Solve for x
    x = 51,962,644,265,709,352/261,473,029.07
  6. Step 6: Final answer
    x = 198,730,417.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.