Home / 64,514,752.80-96,772,129.20-53,168,013.60

Finding the Fourth Proportional to 64,514,752.80, 96,772,129.20 and 53,168,013.60

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Solution

The fourth proportional to 64,514,752.80, 96,772,129.20 and 53,168,013.60 is: 79,752,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,514,752.80 : 96,772,129.20 = 53,168,013.60 : x
  2. Step 2: Convert to fraction form
    64,514,752.80/96,772,129.20 = 53,168,013.60/x
  3. Step 3: Cross multiply
    64,514,752.80x = 96,772,129.20 × 53,168,013.60
  4. Step 4: Simplify right side
    64,514,752.80x = 5,145,181,881,406,557
  5. Step 5: Solve for x
    x = 5,145,181,881,406,557/64,514,752.80
  6. Step 6: Final answer
    x = 79,752,020.40

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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.