Home / 70,387,746.40-105,581,619.60-29,992,981.60

Finding the Fourth Proportional to 70,387,746.40, 105,581,619.60 and 29,992,981.60

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Solution

The fourth proportional to 70,387,746.40, 105,581,619.60 and 29,992,981.60 is: 44,989,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,387,746.40 : 105,581,619.60 = 29,992,981.60 : x
  2. Step 2: Convert to fraction form
    70,387,746.40/105,581,619.60 = 29,992,981.60/x
  3. Step 3: Cross multiply
    70,387,746.40x = 105,581,619.60 × 29,992,981.60
  4. Step 4: Simplify right side
    70,387,746.40x = 3,166,707,573,960,999.50
  5. Step 5: Solve for x
    x = 3,166,707,573,960,999.50/70,387,746.40
  6. Step 6: Final answer
    x = 44,989,472.40

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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.