Home / 71,035,382.51-97,974,811.37-61,128,962.45

Finding the Fourth Proportional to 71,035,382.51, 97,974,811.37 and 61,128,962.45

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Solution

The fourth proportional to 71,035,382.51, 97,974,811.37 and 61,128,962.45 is: 84,311,484.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,035,382.51 : 97,974,811.37 = 61,128,962.45 : x
  2. Step 2: Convert to fraction form
    71,035,382.51/97,974,811.37 = 61,128,962.45/x
  3. Step 3: Cross multiply
    71,035,382.51x = 97,974,811.37 × 61,128,962.45
  4. Step 4: Simplify right side
    71,035,382.51x = 5,989,098,564,487,044
  5. Step 5: Solve for x
    x = 5,989,098,564,487,044/71,035,382.51
  6. Step 6: Final answer
    x = 84,311,484.68

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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.