Home / 124,426,257.40-186,639,386.10-56,271,172.60

Finding the Fourth Proportional to 124,426,257.40, 186,639,386.10 and 56,271,172.60

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Solution

The fourth proportional to 124,426,257.40, 186,639,386.10 and 56,271,172.60 is: 84,406,758.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,426,257.40 : 186,639,386.10 = 56,271,172.60 : x
  2. Step 2: Convert to fraction form
    124,426,257.40/186,639,386.10 = 56,271,172.60/x
  3. Step 3: Cross multiply
    124,426,257.40x = 186,639,386.10 × 56,271,172.60
  4. Step 4: Simplify right side
    124,426,257.40x = 10,502,417,109,191,140
  5. Step 5: Solve for x
    x = 10,502,417,109,191,140/124,426,257.40
  6. Step 6: Final answer
    x = 84,406,758.90

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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.