Home / 118,942,343.29-163,834,606.95-84,075,089.77

Finding the Fourth Proportional to 118,942,343.29, 163,834,606.95 and 84,075,089.77

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Solution

The fourth proportional to 118,942,343.29, 163,834,606.95 and 84,075,089.77 is: 115,807,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,942,343.29 : 163,834,606.95 = 84,075,089.77 : x
  2. Step 2: Convert to fraction form
    118,942,343.29/163,834,606.95 = 84,075,089.77/x
  3. Step 3: Cross multiply
    118,942,343.29x = 163,834,606.95 × 84,075,089.77
  4. Step 4: Simplify right side
    118,942,343.29x = 13,774,409,285,934,742
  5. Step 5: Solve for x
    x = 13,774,409,285,934,742/118,942,343.29
  6. Step 6: Final answer
    x = 115,807,448.43

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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.