Home / 132,779,098.89-183,235,156.53-77,774,955.39

Finding the Fourth Proportional to 132,779,098.89, 183,235,156.53 and 77,774,955.39

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Solution

The fourth proportional to 132,779,098.89, 183,235,156.53 and 77,774,955.39 is: 107,329,438.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,779,098.89 : 183,235,156.53 = 77,774,955.39 : x
  2. Step 2: Convert to fraction form
    132,779,098.89/183,235,156.53 = 77,774,955.39/x
  3. Step 3: Cross multiply
    132,779,098.89x = 183,235,156.53 × 77,774,955.39
  4. Step 4: Simplify right side
    132,779,098.89x = 14,251,106,125,000,418
  5. Step 5: Solve for x
    x = 14,251,106,125,000,418/132,779,098.89
  6. Step 6: Final answer
    x = 107,329,438.47

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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.