Home / 108,439,487.98-149,646,670.70-58,879,957.52

Finding the Fourth Proportional to 108,439,487.98, 149,646,670.70 and 58,879,957.52

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Solution

The fourth proportional to 108,439,487.98, 149,646,670.70 and 58,879,957.52 is: 81,254,437.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,439,487.98 : 149,646,670.70 = 58,879,957.52 : x
  2. Step 2: Convert to fraction form
    108,439,487.98/149,646,670.70 = 58,879,957.52/x
  3. Step 3: Cross multiply
    108,439,487.98x = 149,646,670.70 × 58,879,957.52
  4. Step 4: Simplify right side
    108,439,487.98x = 8,811,189,613,905,145
  5. Step 5: Solve for x
    x = 8,811,189,613,905,145/108,439,487.98
  6. Step 6: Final answer
    x = 81,254,437.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.