Home / 93,312,004.70-139,968,007.05-86,934,712.70

Finding the Fourth Proportional to 93,312,004.70, 139,968,007.05 and 86,934,712.70

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Solution

The fourth proportional to 93,312,004.70, 139,968,007.05 and 86,934,712.70 is: 130,402,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,004.70 : 139,968,007.05 = 86,934,712.70 : x
  2. Step 2: Convert to fraction form
    93,312,004.70/139,968,007.05 = 86,934,712.70/x
  3. Step 3: Cross multiply
    93,312,004.70x = 139,968,007.05 × 86,934,712.70
  4. Step 4: Simplify right side
    93,312,004.70x = 12,168,078,480,083,326
  5. Step 5: Solve for x
    x = 12,168,078,480,083,326/93,312,004.70
  6. Step 6: Final answer
    x = 130,402,069.05

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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.