Home / 93,393,478.80-139,901,261.40-64,672,045.20

Finding the Fourth Proportional to 93,393,478.80, 139,901,261.40 and 64,672,045.20

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Solution

The fourth proportional to 93,393,478.80, 139,901,261.40 and 64,672,045.20 is: 96,877,221.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,393,478.80 : 139,901,261.40 = 64,672,045.20 : x
  2. Step 2: Convert to fraction form
    93,393,478.80/139,901,261.40 = 64,672,045.20/x
  3. Step 3: Cross multiply
    93,393,478.80x = 139,901,261.40 × 64,672,045.20
  4. Step 4: Simplify right side
    93,393,478.80x = 9,047,700,700,797,816
  5. Step 5: Solve for x
    x = 9,047,700,700,797,816/93,393,478.80
  6. Step 6: Final answer
    x = 96,877,221.16

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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.