Home / 261,595,929.36-361,018,688.78-144,121,235.28

Finding the Fourth Proportional to 261,595,929.36, 361,018,688.78 and 144,121,235.28

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Solution

The fourth proportional to 261,595,929.36, 361,018,688.78 and 144,121,235.28 is: 198,896,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,595,929.36 : 361,018,688.78 = 144,121,235.28 : x
  2. Step 2: Convert to fraction form
    261,595,929.36/361,018,688.78 = 144,121,235.28/x
  3. Step 3: Cross multiply
    261,595,929.36x = 361,018,688.78 × 144,121,235.28
  4. Step 4: Simplify right side
    261,595,929.36x = 52,030,459,386,139,472
  5. Step 5: Solve for x
    x = 52,030,459,386,139,472/261,595,929.36
  6. Step 6: Final answer
    x = 198,896,288.31

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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.