Home / 97,931,807.01-135,145,889.21-53,877,860.78

Finding the Fourth Proportional to 97,931,807.01, 135,145,889.21 and 53,877,860.78

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Solution

The fourth proportional to 97,931,807.01, 135,145,889.21 and 53,877,860.78 is: 74,351,445.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,931,807.01 : 135,145,889.21 = 53,877,860.78 : x
  2. Step 2: Convert to fraction form
    97,931,807.01/135,145,889.21 = 53,877,860.78/x
  3. Step 3: Cross multiply
    97,931,807.01x = 135,145,889.21 × 53,877,860.78
  4. Step 4: Simplify right side
    97,931,807.01x = 7,281,371,403,304,650
  5. Step 5: Solve for x
    x = 7,281,371,403,304,650/97,931,807.01
  6. Step 6: Final answer
    x = 74,351,445.42

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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.