Home / 72,046,765.48-99,423,349.40-39,006,750.48

Finding the Fourth Proportional to 72,046,765.48, 99,423,349.40 and 39,006,750.48

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Solution

The fourth proportional to 72,046,765.48, 99,423,349.40 and 39,006,750.48 is: 53,828,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,046,765.48 : 99,423,349.40 = 39,006,750.48 : x
  2. Step 2: Convert to fraction form
    72,046,765.48/99,423,349.40 = 39,006,750.48/x
  3. Step 3: Cross multiply
    72,046,765.48x = 99,423,349.40 × 39,006,750.48
  4. Step 4: Simplify right side
    72,046,765.48x = 3,878,181,781,931,657.50
  5. Step 5: Solve for x
    x = 3,878,181,781,931,657.50/72,046,765.48
  6. Step 6: Final answer
    x = 53,828,673.03

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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.