Home / 74,871,817.60-112,307,726.40-71,092,681.60

Finding the Fourth Proportional to 74,871,817.60, 112,307,726.40 and 71,092,681.60

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Solution

The fourth proportional to 74,871,817.60, 112,307,726.40 and 71,092,681.60 is: 106,639,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,871,817.60 : 112,307,726.40 = 71,092,681.60 : x
  2. Step 2: Convert to fraction form
    74,871,817.60/112,307,726.40 = 71,092,681.60/x
  3. Step 3: Cross multiply
    74,871,817.60x = 112,307,726.40 × 71,092,681.60
  4. Step 4: Simplify right side
    74,871,817.60x = 7,984,257,434,175,114
  5. Step 5: Solve for x
    x = 7,984,257,434,175,114/74,871,817.60
  6. Step 6: Final answer
    x = 106,639,022.40

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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.