Home / 105,035,291.20-157,715,138.40-57,259,547.20

Finding the Fourth Proportional to 105,035,291.20, 157,715,138.40 and 57,259,547.20

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Solution

The fourth proportional to 105,035,291.20, 157,715,138.40 and 57,259,547.20 is: 85,977,744.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035,291.20 : 157,715,138.40 = 57,259,547.20 : x
  2. Step 2: Convert to fraction form
    105,035,291.20/157,715,138.40 = 57,259,547.20/x
  3. Step 3: Cross multiply
    105,035,291.20x = 157,715,138.40 × 57,259,547.20
  4. Step 4: Simplify right side
    105,035,291.20x = 9,030,697,411,369,334
  5. Step 5: Solve for x
    x = 9,030,697,411,369,334/105,035,291.20
  6. Step 6: Final answer
    x = 85,977,744.32

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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.