Home / 86,353,325.91-129,482,554.32-42,537,676.23

Finding the Fourth Proportional to 86,353,325.91, 129,482,554.32 and 42,537,676.23

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Solution

The fourth proportional to 86,353,325.91, 129,482,554.32 and 42,537,676.23 is: 63,783,148.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,353,325.91 : 129,482,554.32 = 42,537,676.23 : x
  2. Step 2: Convert to fraction form
    86,353,325.91/129,482,554.32 = 42,537,676.23/x
  3. Step 3: Cross multiply
    86,353,325.91x = 129,482,554.32 × 42,537,676.23
  4. Step 4: Simplify right side
    86,353,325.91x = 5,507,886,973,097,547
  5. Step 5: Solve for x
    x = 5,507,886,973,097,547/86,353,325.91
  6. Step 6: Final answer
    x = 63,783,148.07

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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.