Home / 99,742,751.30-149,708,605.35-61,478,999.30

Finding the Fourth Proportional to 99,742,751.30, 149,708,605.35 and 61,478,999.30

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Solution

The fourth proportional to 99,742,751.30, 149,708,605.35 and 61,478,999.30 is: 92,276,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,742,751.30 : 149,708,605.35 = 61,478,999.30 : x
  2. Step 2: Convert to fraction form
    99,742,751.30/149,708,605.35 = 61,478,999.30/x
  3. Step 3: Cross multiply
    99,742,751.30x = 149,708,605.35 × 61,478,999.30
  4. Step 4: Simplify right side
    99,742,751.30x = 9,203,935,243,516,626
  5. Step 5: Solve for x
    x = 9,203,935,243,516,626/99,742,751.30
  6. Step 6: Final answer
    x = 92,276,733.13

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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.