Home / 104,976,271.40-157,464,407.10-66,429,084.20

Finding the Fourth Proportional to 104,976,271.40, 157,464,407.10 and 66,429,084.20

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Solution

The fourth proportional to 104,976,271.40, 157,464,407.10 and 66,429,084.20 is: 99,643,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,271.40 : 157,464,407.10 = 66,429,084.20 : x
  2. Step 2: Convert to fraction form
    104,976,271.40/157,464,407.10 = 66,429,084.20/x
  3. Step 3: Cross multiply
    104,976,271.40x = 157,464,407.10 × 66,429,084.20
  4. Step 4: Simplify right side
    104,976,271.40x = 10,460,216,357,748,978
  5. Step 5: Solve for x
    x = 10,460,216,357,748,978/104,976,271.40
  6. Step 6: Final answer
    x = 99,643,626.30

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1.5x scale

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.