Home / 156,531,671.94-216,030,973.14-89,556,852.72

Finding the Fourth Proportional to 156,531,671.94, 216,030,973.14 and 89,556,852.72

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Solution

The fourth proportional to 156,531,671.94, 216,030,973.14 and 89,556,852.72 is: 123,598,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,531,671.94 : 216,030,973.14 = 89,556,852.72 : x
  2. Step 2: Convert to fraction form
    156,531,671.94/216,030,973.14 = 89,556,852.72/x
  3. Step 3: Cross multiply
    156,531,671.94x = 216,030,973.14 × 89,556,852.72
  4. Step 4: Simplify right side
    156,531,671.94x = 19,347,054,044,457,256
  5. Step 5: Solve for x
    x = 19,347,054,044,457,256/156,531,671.94
  6. Step 6: Final answer
    x = 123,598,335.11

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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.