Home / 65,166,863.40-97,763,417.10-19,108,643.40

Finding the Fourth Proportional to 65,166,863.40, 97,763,417.10 and 19,108,643.40

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Solution

The fourth proportional to 65,166,863.40, 97,763,417.10 and 19,108,643.40 is: 28,666,812.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,166,863.40 : 97,763,417.10 = 19,108,643.40 : x
  2. Step 2: Convert to fraction form
    65,166,863.40/97,763,417.10 = 19,108,643.40/x
  3. Step 3: Cross multiply
    65,166,863.40x = 97,763,417.10 × 19,108,643.40
  4. Step 4: Simplify right side
    65,166,863.40x = 1,868,126,274,929,362
  5. Step 5: Solve for x
    x = 1,868,126,274,929,362/65,166,863.40
  6. Step 6: Final answer
    x = 28,666,812.82

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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.