Home / 119,877,312.07-165,430,082.45-64,873,168.57

Finding the Fourth Proportional to 119,877,312.07, 165,430,082.45 and 64,873,168.57

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Solution

The fourth proportional to 119,877,312.07, 165,430,082.45 and 64,873,168.57 is: 89,524,643.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,877,312.07 : 165,430,082.45 = 64,873,168.57 : x
  2. Step 2: Convert to fraction form
    119,877,312.07/165,430,082.45 = 64,873,168.57/x
  3. Step 3: Cross multiply
    119,877,312.07x = 165,430,082.45 × 64,873,168.57
  4. Step 4: Simplify right side
    119,877,312.07x = 10,731,973,624,176,332
  5. Step 5: Solve for x
    x = 10,731,973,624,176,332/119,877,312.07
  6. Step 6: Final answer
    x = 89,524,643.48

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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.