Home / 282,779,038.76-424,164,289.83-127,222,998.15

Finding the Fourth Proportional to 282,779,038.76, 424,164,289.83 and 127,222,998.15

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Solution

The fourth proportional to 282,779,038.76, 424,164,289.83 and 127,222,998.15 is: 190,832,576.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,779,038.76 : 424,164,289.83 = 127,222,998.15 : x
  2. Step 2: Convert to fraction form
    282,779,038.76/424,164,289.83 = 127,222,998.15/x
  3. Step 3: Cross multiply
    282,779,038.76x = 424,164,289.83 × 127,222,998.15
  4. Step 4: Simplify right side
    282,779,038.76x = 53,963,452,660,338,152
  5. Step 5: Solve for x
    x = 53,963,452,660,338,152/282,779,038.76
  6. Step 6: Final answer
    x = 190,832,576.91

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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.