Home / 72,473,521.04-100,010,460.48-39,433,906.16

Finding the Fourth Proportional to 72,473,521.04, 100,010,460.48 and 39,433,906.16

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Solution

The fourth proportional to 72,473,521.04, 100,010,460.48 and 39,433,906.16 is: 54,417,158.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,473,521.04 : 100,010,460.48 = 39,433,906.16 : x
  2. Step 2: Convert to fraction form
    72,473,521.04/100,010,460.48 = 39,433,906.16/x
  3. Step 3: Cross multiply
    72,473,521.04x = 100,010,460.48 × 39,433,906.16
  4. Step 4: Simplify right side
    72,473,521.04x = 3,943,803,113,586,708.50
  5. Step 5: Solve for x
    x = 3,943,803,113,586,708.50/72,473,521.04
  6. Step 6: Final answer
    x = 54,417,158.94

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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.