Home / 98,328,000.30-147,492,000.45-67,716,998.70

Finding the Fourth Proportional to 98,328,000.30, 147,492,000.45 and 67,716,998.70

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Solution

The fourth proportional to 98,328,000.30, 147,492,000.45 and 67,716,998.70 is: 101,575,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,328,000.30 : 147,492,000.45 = 67,716,998.70 : x
  2. Step 2: Convert to fraction form
    98,328,000.30/147,492,000.45 = 67,716,998.70/x
  3. Step 3: Cross multiply
    98,328,000.30x = 147,492,000.45 × 67,716,998.70
  4. Step 4: Simplify right side
    98,328,000.30x = 9,987,715,602,733,050
  5. Step 5: Solve for x
    x = 9,987,715,602,733,050/98,328,000.30
  6. Step 6: Final answer
    x = 101,575,498.05

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1.5x scale

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.