Home / 93,312,005.10-139,968,007.65-28,615,296.30

Finding the Fourth Proportional to 93,312,005.10, 139,968,007.65 and 28,615,296.30

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Solution

The fourth proportional to 93,312,005.10, 139,968,007.65 and 28,615,296.30 is: 42,922,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,312,005.10 : 139,968,007.65 = 28,615,296.30 : x
  2. Step 2: Convert to fraction form
    93,312,005.10/139,968,007.65 = 28,615,296.30/x
  3. Step 3: Cross multiply
    93,312,005.10x = 139,968,007.65 × 28,615,296.30
  4. Step 4: Simplify right side
    93,312,005.10x = 4,005,226,011,425,417
  5. Step 5: Solve for x
    x = 4,005,226,011,425,417/93,312,005.10
  6. Step 6: Final answer
    x = 42,922,944.45

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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.