Home / 210,984,922.43-291,155,339.28-116,898,726.20

Finding the Fourth Proportional to 210,984,922.43, 291,155,339.28 and 116,898,726.20

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Solution

The fourth proportional to 210,984,922.43, 291,155,339.28 and 116,898,726.20 is: 161,318,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,984,922.43 : 291,155,339.28 = 116,898,726.20 : x
  2. Step 2: Convert to fraction form
    210,984,922.43/291,155,339.28 = 116,898,726.20/x
  3. Step 3: Cross multiply
    210,984,922.43x = 291,155,339.28 × 116,898,726.20
  4. Step 4: Simplify right side
    210,984,922.43x = 34,035,688,286,705,044
  5. Step 5: Solve for x
    x = 34,035,688,286,705,044/210,984,922.43
  6. Step 6: Final answer
    x = 161,318,106.98

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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.