Home / 66,445,386.20-99,668,079.30-49,439,274.20

Finding the Fourth Proportional to 66,445,386.20, 99,668,079.30 and 49,439,274.20

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Solution

The fourth proportional to 66,445,386.20, 99,668,079.30 and 49,439,274.20 is: 74,158,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445,386.20 : 99,668,079.30 = 49,439,274.20 : x
  2. Step 2: Convert to fraction form
    66,445,386.20/99,668,079.30 = 49,439,274.20/x
  3. Step 3: Cross multiply
    66,445,386.20x = 99,668,079.30 × 49,439,274.20
  4. Step 4: Simplify right side
    66,445,386.20x = 4,927,517,501,500,044
  5. Step 5: Solve for x
    x = 4,927,517,501,500,044/66,445,386.20
  6. Step 6: Final answer
    x = 74,158,911.30

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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.