Home / 107,812,216.80-161,739,320.40-31,137,746.40

Finding the Fourth Proportional to 107,812,216.80, 161,739,320.40 and 31,137,746.40

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Solution

The fourth proportional to 107,812,216.80, 161,739,320.40 and 31,137,746.40 is: 46,712,683.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,812,216.80 : 161,739,320.40 = 31,137,746.40 : x
  2. Step 2: Convert to fraction form
    107,812,216.80/161,739,320.40 = 31,137,746.40/x
  3. Step 3: Cross multiply
    107,812,216.80x = 161,739,320.40 × 31,137,746.40
  4. Step 4: Simplify right side
    107,812,216.80x = 5,036,197,941,523,547
  5. Step 5: Solve for x
    x = 5,036,197,941,523,547/107,812,216.80
  6. Step 6: Final answer
    x = 46,712,683.32

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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.