Home / 111,289,130.39-153,578,507.95-63,603,589.20

Finding the Fourth Proportional to 111,289,130.39, 153,578,507.95 and 63,603,589.20

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Solution

The fourth proportional to 111,289,130.39, 153,578,507.95 and 63,603,589.20 is: 87,772,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,289,130.39 : 153,578,507.95 = 63,603,589.20 : x
  2. Step 2: Convert to fraction form
    111,289,130.39/153,578,507.95 = 63,603,589.20/x
  3. Step 3: Cross multiply
    111,289,130.39x = 153,578,507.95 × 63,603,589.20
  4. Step 4: Simplify right side
    111,289,130.39x = 9,768,144,330,579,248
  5. Step 5: Solve for x
    x = 9,768,144,330,579,248/111,289,130.39
  6. Step 6: Final answer
    x = 87,772,671.93

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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.