Home / 86,932,946.48-130,184,184.72-63,849,142.36

Finding the Fourth Proportional to 86,932,946.48, 130,184,184.72 and 63,849,142.36

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Solution

The fourth proportional to 86,932,946.48, 130,184,184.72 and 63,849,142.36 is: 95,615,631.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,932,946.48 : 130,184,184.72 = 63,849,142.36 : x
  2. Step 2: Convert to fraction form
    86,932,946.48/130,184,184.72 = 63,849,142.36/x
  3. Step 3: Cross multiply
    86,932,946.48x = 130,184,184.72 × 63,849,142.36
  4. Step 4: Simplify right side
    86,932,946.48x = 8,312,148,543,207,817
  5. Step 5: Solve for x
    x = 8,312,148,543,207,817/86,932,946.48
  6. Step 6: Final answer
    x = 95,615,631.12

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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.