Home / 93,312,009.20-139,968,013.80-47,878,396.40

Finding the Fourth Proportional to 93,312,009.20, 139,968,013.80 and 47,878,396.40

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Solution

The fourth proportional to 93,312,009.20, 139,968,013.80 and 47,878,396.40 is: 71,817,594.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,009.20 : 139,968,013.80 = 47,878,396.40 : x
  2. Step 2: Convert to fraction form
    93,312,009.20/139,968,013.80 = 47,878,396.40/x
  3. Step 3: Cross multiply
    93,312,009.20x = 139,968,013.80 × 47,878,396.40
  4. Step 4: Simplify right side
    93,312,009.20x = 6,701,444,048,037,071
  5. Step 5: Solve for x
    x = 6,701,444,048,037,071/93,312,009.20
  6. Step 6: Final answer
    x = 71,817,594.60

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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.