Home / 316,136,045.76-436,272,908.19-173,079,422.28

Finding the Fourth Proportional to 316,136,045.76, 436,272,908.19 and 173,079,422.28

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Solution

The fourth proportional to 316,136,045.76, 436,272,908.19 and 173,079,422.28 is: 238,852,430.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,136,045.76 : 436,272,908.19 = 173,079,422.28 : x
  2. Step 2: Convert to fraction form
    316,136,045.76/436,272,908.19 = 173,079,422.28/x
  3. Step 3: Cross multiply
    316,136,045.76x = 436,272,908.19 × 173,079,422.28
  4. Step 4: Simplify right side
    316,136,045.76x = 75,509,862,905,940,688
  5. Step 5: Solve for x
    x = 75,509,862,905,940,688/316,136,045.76
  6. Step 6: Final answer
    x = 238,852,430.52

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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.