Home / 64,644,985.40-96,967,478.10-43,009,431.80

Finding the Fourth Proportional to 64,644,985.40, 96,967,478.10 and 43,009,431.80

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Solution

The fourth proportional to 64,644,985.40, 96,967,478.10 and 43,009,431.80 is: 64,514,147.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,644,985.40 : 96,967,478.10 = 43,009,431.80 : x
  2. Step 2: Convert to fraction form
    64,644,985.40/96,967,478.10 = 43,009,431.80/x
  3. Step 3: Cross multiply
    64,644,985.40x = 96,967,478.10 × 43,009,431.80
  4. Step 4: Simplify right side
    64,644,985.40x = 4,170,516,136,159,943
  5. Step 5: Solve for x
    x = 4,170,516,136,159,943/64,644,985.40
  6. Step 6: Final answer
    x = 64,514,147.70

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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.