Home / 155,938,232.61-215,196,461.61-86,324,776.02

Finding the Fourth Proportional to 155,938,232.61, 215,196,461.61 and 86,324,776.02

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Solution

The fourth proportional to 155,938,232.61, 215,196,461.61 and 86,324,776.02 is: 119,129,132.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,938,232.61 : 215,196,461.61 = 86,324,776.02 : x
  2. Step 2: Convert to fraction form
    155,938,232.61/215,196,461.61 = 86,324,776.02/x
  3. Step 3: Cross multiply
    155,938,232.61x = 215,196,461.61 × 86,324,776.02
  4. Step 4: Simplify right side
    155,938,232.61x = 18,576,786,348,779,780
  5. Step 5: Solve for x
    x = 18,576,786,348,779,780/155,938,232.61
  6. Step 6: Final answer
    x = 119,129,132.34

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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.