Home / 86,935,406.40-130,403,109.60-26,343,259.20

Finding the Fourth Proportional to 86,935,406.40, 130,403,109.60 and 26,343,259.20

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Solution

The fourth proportional to 86,935,406.40, 130,403,109.60 and 26,343,259.20 is: 39,514,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,935,406.40 : 130,403,109.60 = 26,343,259.20 : x
  2. Step 2: Convert to fraction form
    86,935,406.40/130,403,109.60 = 26,343,259.20/x
  3. Step 3: Cross multiply
    86,935,406.40x = 130,403,109.60 × 26,343,259.20
  4. Step 4: Simplify right side
    86,935,406.40x = 3,435,242,916,678,808
  5. Step 5: Solve for x
    x = 3,435,242,916,678,808/86,935,406.40
  6. Step 6: Final answer
    x = 39,514,888.80

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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.