Home / 176,107,926.53-243,002,575.80-100,742,271.55

Finding the Fourth Proportional to 176,107,926.53, 243,002,575.80 and 100,742,271.55

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Solution

The fourth proportional to 176,107,926.53, 243,002,575.80 and 100,742,271.55 is: 139,009,253.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,107,926.53 : 243,002,575.80 = 100,742,271.55 : x
  2. Step 2: Convert to fraction form
    176,107,926.53/243,002,575.80 = 100,742,271.55/x
  3. Step 3: Cross multiply
    176,107,926.53x = 243,002,575.80 × 100,742,271.55
  4. Step 4: Simplify right side
    176,107,926.53x = 24,480,631,477,985,552
  5. Step 5: Solve for x
    x = 24,480,631,477,985,552/176,107,926.53
  6. Step 6: Final answer
    x = 139,009,253.93

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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.