Home / 212,869,523.40-319,210,973.10-97,815,827.40

Finding the Fourth Proportional to 212,869,523.40, 319,210,973.10 and 97,815,827.40

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Solution

The fourth proportional to 212,869,523.40, 319,210,973.10 and 97,815,827.40 is: 146,680,863.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,869,523.40 : 319,210,973.10 = 97,815,827.40 : x
  2. Step 2: Convert to fraction form
    212,869,523.40/319,210,973.10 = 97,815,827.40/x
  3. Step 3: Cross multiply
    212,869,523.40x = 319,210,973.10 × 97,815,827.40
  4. Step 4: Simplify right side
    212,869,523.40x = 31,223,885,448,935,648
  5. Step 5: Solve for x
    x = 31,223,885,448,935,648/212,869,523.40
  6. Step 6: Final answer
    x = 146,680,863.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.