Home / 93,312,005.70-139,968,008.55-47,878,392.90

Finding the Fourth Proportional to 93,312,005.70, 139,968,008.55 and 47,878,392.90

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Solution

The fourth proportional to 93,312,005.70, 139,968,008.55 and 47,878,392.90 is: 71,817,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,005.70 : 139,968,008.55 = 47,878,392.90 : x
  2. Step 2: Convert to fraction form
    93,312,005.70/139,968,008.55 = 47,878,392.90/x
  3. Step 3: Cross multiply
    93,312,005.70x = 139,968,008.55 × 47,878,392.90
  4. Step 4: Simplify right side
    93,312,005.70x = 6,701,443,306,787,460
  5. Step 5: Solve for x
    x = 6,701,443,306,787,460/93,312,005.70
  6. Step 6: Final answer
    x = 71,817,589.35

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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.