Home / 74,467,931.40-111,701,897.10-19,880,411.40

Finding the Fourth Proportional to 74,467,931.40, 111,701,897.10 and 19,880,411.40

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Solution

The fourth proportional to 74,467,931.40, 111,701,897.10 and 19,880,411.40 is: 29,820,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,467,931.40 : 111,701,897.10 = 19,880,411.40 : x
  2. Step 2: Convert to fraction form
    74,467,931.40/111,701,897.10 = 19,880,411.40/x
  3. Step 3: Cross multiply
    74,467,931.40x = 111,701,897.10 × 19,880,411.40
  4. Step 4: Simplify right side
    74,467,931.40x = 2,220,679,668,508,466.75
  5. Step 5: Solve for x
    x = 2,220,679,668,508,466.75/74,467,931.40
  6. Step 6: Final answer
    x = 29,820,617.10

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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.