Home / 93,312,548.40-139,968,822.60-86,510,103.60

Finding the Fourth Proportional to 93,312,548.40, 139,968,822.60 and 86,510,103.60

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Solution

The fourth proportional to 93,312,548.40, 139,968,822.60 and 86,510,103.60 is: 129,765,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,548.40 : 139,968,822.60 = 86,510,103.60 : x
  2. Step 2: Convert to fraction form
    93,312,548.40/139,968,822.60 = 86,510,103.60/x
  3. Step 3: Cross multiply
    93,312,548.40x = 139,968,822.60 × 86,510,103.60
  4. Step 4: Simplify right side
    93,312,548.40x = 12,108,717,343,896,020
  5. Step 5: Solve for x
    x = 12,108,717,343,896,020/93,312,548.40
  6. Step 6: Final answer
    x = 129,765,155.40

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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.