Home / 84,577,802.40-126,866,703.60-74,500,106.40

Finding the Fourth Proportional to 84,577,802.40, 126,866,703.60 and 74,500,106.40

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Solution

The fourth proportional to 84,577,802.40, 126,866,703.60 and 74,500,106.40 is: 111,750,159.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,577,802.40 : 126,866,703.60 = 74,500,106.40 : x
  2. Step 2: Convert to fraction form
    84,577,802.40/126,866,703.60 = 74,500,106.40/x
  3. Step 3: Cross multiply
    84,577,802.40x = 126,866,703.60 × 74,500,106.40
  4. Step 4: Simplify right side
    84,577,802.40x = 9,451,582,916,817,264
  5. Step 5: Solve for x
    x = 9,451,582,916,817,264/84,577,802.40
  6. Step 6: Final answer
    x = 111,750,159.60

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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.