Home / 102,288,102.50-153,492,687.90-37,637,308.40

Finding the Fourth Proportional to 102,288,102.50, 153,492,687.90 and 37,637,308.40

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Solution

The fourth proportional to 102,288,102.50, 153,492,687.90 and 37,637,308.40 is: 56,478,236.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,288,102.50 : 153,492,687.90 = 37,637,308.40 : x
  2. Step 2: Convert to fraction form
    102,288,102.50/153,492,687.90 = 37,637,308.40/x
  3. Step 3: Cross multiply
    102,288,102.50x = 153,492,687.90 × 37,637,308.40
  4. Step 4: Simplify right side
    102,288,102.50x = 5,777,051,631,637,248
  5. Step 5: Solve for x
    x = 5,777,051,631,637,248/102,288,102.50
  6. Step 6: Final answer
    x = 56,478,236.38

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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.