Home / 424,164,094.61-636,239,756.54-190,830,031.85

Finding the Fourth Proportional to 424,164,094.61, 636,239,756.54 and 190,830,031.85

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Solution

The fourth proportional to 424,164,094.61, 636,239,756.54 and 190,830,031.85 is: 286,242,175.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,164,094.61 : 636,239,756.54 = 190,830,031.85 : x
  2. Step 2: Convert to fraction form
    424,164,094.61/636,239,756.54 = 190,830,031.85/x
  3. Step 3: Cross multiply
    424,164,094.61x = 636,239,756.54 × 190,830,031.85
  4. Step 4: Simplify right side
    424,164,094.61x = 121,413,653,006,832,112
  5. Step 5: Solve for x
    x = 121,413,653,006,832,112/424,164,094.61
  6. Step 6: Final answer
    x = 286,242,175.02

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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.