Home / 93,312,465.90-139,968,698.85-86,510,021.10

Finding the Fourth Proportional to 93,312,465.90, 139,968,698.85 and 86,510,021.10

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Solution

The fourth proportional to 93,312,465.90, 139,968,698.85 and 86,510,021.10 is: 129,765,031.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,465.90 : 139,968,698.85 = 86,510,021.10 : x
  2. Step 2: Convert to fraction form
    93,312,465.90/139,968,698.85 = 86,510,021.10/x
  3. Step 3: Cross multiply
    93,312,465.90x = 139,968,698.85 × 86,510,021.10
  4. Step 4: Simplify right side
    93,312,465.90x = 12,108,695,090,853,044
  5. Step 5: Solve for x
    x = 12,108,695,090,853,044/93,312,465.90
  6. Step 6: Final answer
    x = 129,765,031.65

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Double scale
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Similar ratio
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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.