Home / 64,834,141.36-97,258,023-21,118,306.57

Finding the Fourth Proportional to 64,834,141.36, 97,258,023 and 21,118,306.57

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Solution

The fourth proportional to 64,834,141.36, 97,258,023 and 21,118,306.57 is: 31,679,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,834,141.36 : 97,258,023 = 21,118,306.57 : x
  2. Step 2: Convert to fraction form
    64,834,141.36/97,258,023 = 21,118,306.57/x
  3. Step 3: Cross multiply
    64,834,141.36x = 97,258,023 × 21,118,306.57
  4. Step 4: Simplify right side
    64,834,141.36x = 2,053,924,745,862,966
  5. Step 5: Solve for x
    x = 2,053,924,745,862,966/64,834,141.36
  6. Step 6: Final answer
    x = 31,679,678.37

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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.