Home / 78,724,871.60-118,087,307.40-44,287,494.80

Finding the Fourth Proportional to 78,724,871.60, 118,087,307.40 and 44,287,494.80

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Solution

The fourth proportional to 78,724,871.60, 118,087,307.40 and 44,287,494.80 is: 66,431,242.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,724,871.60 : 118,087,307.40 = 44,287,494.80 : x
  2. Step 2: Convert to fraction form
    78,724,871.60/118,087,307.40 = 44,287,494.80/x
  3. Step 3: Cross multiply
    78,724,871.60x = 118,087,307.40 × 44,287,494.80
  4. Step 4: Simplify right side
    78,724,871.60x = 5,229,791,012,423,501
  5. Step 5: Solve for x
    x = 5,229,791,012,423,501/78,724,871.60
  6. Step 6: Final answer
    x = 66,431,242.20

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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.