Home / 72,597,875.86-100,071,623.56-49,352,646.52

Finding the Fourth Proportional to 72,597,875.86, 100,071,623.56 and 49,352,646.52

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Solution

The fourth proportional to 72,597,875.86, 100,071,623.56 and 49,352,646.52 is: 68,029,531.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,597,875.86 : 100,071,623.56 = 49,352,646.52 : x
  2. Step 2: Convert to fraction form
    72,597,875.86/100,071,623.56 = 49,352,646.52/x
  3. Step 3: Cross multiply
    72,597,875.86x = 100,071,623.56 × 49,352,646.52
  4. Step 4: Simplify right side
    72,597,875.86x = 4,938,799,464,239,184
  5. Step 5: Solve for x
    x = 4,938,799,464,239,184/72,597,875.86
  6. Step 6: Final answer
    x = 68,029,531.25

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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.