Home / 93,312,113.60-139,968,170.40-86,509,668.80

Finding the Fourth Proportional to 93,312,113.60, 139,968,170.40 and 86,509,668.80

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Solution

The fourth proportional to 93,312,113.60, 139,968,170.40 and 86,509,668.80 is: 129,764,503.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,113.60 : 139,968,170.40 = 86,509,668.80 : x
  2. Step 2: Convert to fraction form
    93,312,113.60/139,968,170.40 = 86,509,668.80/x
  3. Step 3: Cross multiply
    93,312,113.60x = 139,968,170.40 × 86,509,668.80
  4. Step 4: Simplify right side
    93,312,113.60x = 12,108,600,063,845,964
  5. Step 5: Solve for x
    x = 12,108,600,063,845,964/93,312,113.60
  6. Step 6: Final answer
    x = 129,764,503.20

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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.