Home / 56,931,334-85,405,848.36-19,117,717.36

Finding the Fourth Proportional to 56,931,334, 85,405,848.36 and 19,117,717.36

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Solution

The fourth proportional to 56,931,334, 85,405,848.36 and 19,117,717.36 is: 28,679,547.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,931,334 : 85,405,848.36 = 19,117,717.36 : x
  2. Step 2: Convert to fraction form
    56,931,334/85,405,848.36 = 19,117,717.36/x
  3. Step 3: Cross multiply
    56,931,334x = 85,405,848.36 × 19,117,717.36
  4. Step 4: Simplify right side
    56,931,334x = 1,632,764,869,837,499.50
  5. Step 5: Solve for x
    x = 1,632,764,869,837,499.50/56,931,334
  6. Step 6: Final answer
    x = 28,679,547.01

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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.