Home / 93,012,897.11-128,356,779.38-51,196,068.36

Finding the Fourth Proportional to 93,012,897.11, 128,356,779.38 and 51,196,068.36

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Solution

The fourth proportional to 93,012,897.11, 128,356,779.38 and 51,196,068.36 is: 70,650,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,012,897.11 : 128,356,779.38 = 51,196,068.36 : x
  2. Step 2: Convert to fraction form
    93,012,897.11/128,356,779.38 = 51,196,068.36/x
  3. Step 3: Cross multiply
    93,012,897.11x = 128,356,779.38 × 51,196,068.36
  4. Step 4: Simplify right side
    93,012,897.11x = 6,571,362,451,735,908
  5. Step 5: Solve for x
    x = 6,571,362,451,735,908/93,012,897.11
  6. Step 6: Final answer
    x = 70,650,013.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.