Home / 64,834,142.36-97,258,024.50-21,118,307.57

Finding the Fourth Proportional to 64,834,142.36, 97,258,024.50 and 21,118,307.57

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Solution

The fourth proportional to 64,834,142.36, 97,258,024.50 and 21,118,307.57 is: 31,679,679.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,834,142.36 : 97,258,024.50 = 21,118,307.57 : x
  2. Step 2: Convert to fraction form
    64,834,142.36/97,258,024.50 = 21,118,307.57/x
  3. Step 3: Cross multiply
    64,834,142.36x = 97,258,024.50 × 21,118,307.57
  4. Step 4: Simplify right side
    64,834,142.36x = 2,053,924,875,041,595.50
  5. Step 5: Solve for x
    x = 2,053,924,875,041,595.50/64,834,142.36
  6. Step 6: Final answer
    x = 31,679,679.88

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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.