Home / 142,478,256.40-213,717,384.60-34,772,880.40

Finding the Fourth Proportional to 142,478,256.40, 213,717,384.60 and 34,772,880.40

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Solution

The fourth proportional to 142,478,256.40, 213,717,384.60 and 34,772,880.40 is: 52,159,320.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,478,256.40 : 213,717,384.60 = 34,772,880.40 : x
  2. Step 2: Convert to fraction form
    142,478,256.40/213,717,384.60 = 34,772,880.40/x
  3. Step 3: Cross multiply
    142,478,256.40x = 213,717,384.60 × 34,772,880.40
  4. Step 4: Simplify right side
    142,478,256.40x = 7,431,569,054,096,601
  5. Step 5: Solve for x
    x = 7,431,569,054,096,601/142,478,256.40
  6. Step 6: Final answer
    x = 52,159,320.60

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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.