Home / 98,893,312.80-148,339,969.20-64,834,432.80

Finding the Fourth Proportional to 98,893,312.80, 148,339,969.20 and 64,834,432.80

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Solution

The fourth proportional to 98,893,312.80, 148,339,969.20 and 64,834,432.80 is: 97,251,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,893,312.80 : 148,339,969.20 = 64,834,432.80 : x
  2. Step 2: Convert to fraction form
    98,893,312.80/148,339,969.20 = 64,834,432.80/x
  3. Step 3: Cross multiply
    98,893,312.80x = 148,339,969.20 × 64,834,432.80
  4. Step 4: Simplify right side
    98,893,312.80x = 9,617,537,764,651,468
  5. Step 5: Solve for x
    x = 9,617,537,764,651,468/98,893,312.80
  6. Step 6: Final answer
    x = 97,251,649.20

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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.