Home / 242,687,386.40-364,031,079.60-89,443,421.60

Finding the Fourth Proportional to 242,687,386.40, 364,031,079.60 and 89,443,421.60

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Solution

The fourth proportional to 242,687,386.40, 364,031,079.60 and 89,443,421.60 is: 134,165,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,687,386.40 : 364,031,079.60 = 89,443,421.60 : x
  2. Step 2: Convert to fraction form
    242,687,386.40/364,031,079.60 = 89,443,421.60/x
  3. Step 3: Cross multiply
    242,687,386.40x = 364,031,079.60 × 89,443,421.60
  4. Step 4: Simplify right side
    242,687,386.40x = 32,560,185,328,165,960
  5. Step 5: Solve for x
    x = 32,560,185,328,165,960/242,687,386.40
  6. Step 6: Final answer
    x = 134,165,132.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.