Home / 112,344,001.60-168,516,002.40-31,564,969.60

Finding the Fourth Proportional to 112,344,001.60, 168,516,002.40 and 31,564,969.60

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Solution

The fourth proportional to 112,344,001.60, 168,516,002.40 and 31,564,969.60 is: 47,347,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,344,001.60 : 168,516,002.40 = 31,564,969.60 : x
  2. Step 2: Convert to fraction form
    112,344,001.60/168,516,002.40 = 31,564,969.60/x
  3. Step 3: Cross multiply
    112,344,001.60x = 168,516,002.40 × 31,564,969.60
  4. Step 4: Simplify right side
    112,344,001.60x = 5,319,202,492,869,527
  5. Step 5: Solve for x
    x = 5,319,202,492,869,527/112,344,001.60
  6. Step 6: Final answer
    x = 47,347,454.40

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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.