Home / 64,447,387.20-96,637,838.40-19,003,276.80

Finding the Fourth Proportional to 64,447,387.20, 96,637,838.40 and 19,003,276.80

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Solution

The fourth proportional to 64,447,387.20, 96,637,838.40 and 19,003,276.80 is: 28,495,113.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,447,387.20 : 96,637,838.40 = 19,003,276.80 : x
  2. Step 2: Convert to fraction form
    64,447,387.20/96,637,838.40 = 19,003,276.80/x
  3. Step 3: Cross multiply
    64,447,387.20x = 96,637,838.40 × 19,003,276.80
  4. Step 4: Simplify right side
    64,447,387.20x = 1,836,435,592,468,869.25
  5. Step 5: Solve for x
    x = 1,836,435,592,468,869.25/64,447,387.20
  6. Step 6: Final answer
    x = 28,495,113.18

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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.