Home / 103,634,510.24-142,963,968.64-61,789,063.52

Finding the Fourth Proportional to 103,634,510.24, 142,963,968.64 and 61,789,063.52

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Solution

The fourth proportional to 103,634,510.24, 142,963,968.64 and 61,789,063.52 is: 85,238,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,634,510.24 : 142,963,968.64 = 61,789,063.52 : x
  2. Step 2: Convert to fraction form
    103,634,510.24/142,963,968.64 = 61,789,063.52/x
  3. Step 3: Cross multiply
    103,634,510.24x = 142,963,968.64 × 61,789,063.52
  4. Step 4: Simplify right side
    103,634,510.24x = 8,833,609,739,368,248
  5. Step 5: Solve for x
    x = 8,833,609,739,368,248/103,634,510.24
  6. Step 6: Final answer
    x = 85,238,109.57

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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.