Home / 74,739,020.40-112,108,530.60-40,301,643.60

Finding the Fourth Proportional to 74,739,020.40, 112,108,530.60 and 40,301,643.60

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Solution

The fourth proportional to 74,739,020.40, 112,108,530.60 and 40,301,643.60 is: 60,452,465.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739,020.40 : 112,108,530.60 = 40,301,643.60 : x
  2. Step 2: Convert to fraction form
    74,739,020.40/112,108,530.60 = 40,301,643.60/x
  3. Step 3: Cross multiply
    74,739,020.40x = 112,108,530.60 × 40,301,643.60
  4. Step 4: Simplify right side
    74,739,020.40x = 4,518,158,044,760,894
  5. Step 5: Solve for x
    x = 4,518,158,044,760,894/74,739,020.40
  6. Step 6: Final answer
    x = 60,452,465.40

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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.