Home / 135,565,265.76-187,075,488.24-77,607,316.32

Finding the Fourth Proportional to 135,565,265.76, 187,075,488.24 and 77,607,316.32

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Solution

The fourth proportional to 135,565,265.76, 187,075,488.24 and 77,607,316.32 is: 107,095,475.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,565,265.76 : 187,075,488.24 = 77,607,316.32 : x
  2. Step 2: Convert to fraction form
    135,565,265.76/187,075,488.24 = 77,607,316.32/x
  3. Step 3: Cross multiply
    135,565,265.76x = 187,075,488.24 × 77,607,316.32
  4. Step 4: Simplify right side
    135,565,265.76x = 14,518,426,591,560,120
  5. Step 5: Solve for x
    x = 14,518,426,591,560,120/135,565,265.76
  6. Step 6: Final answer
    x = 107,095,475.45

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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.