Home / 35,478,117.60-53,217,176.40-31,651,742.40

Finding the Fourth Proportional to 35,478,117.60, 53,217,176.40 and 31,651,742.40

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Solution

The fourth proportional to 35,478,117.60, 53,217,176.40 and 31,651,742.40 is: 47,477,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,478,117.60 : 53,217,176.40 = 31,651,742.40 : x
  2. Step 2: Convert to fraction form
    35,478,117.60/53,217,176.40 = 31,651,742.40/x
  3. Step 3: Cross multiply
    35,478,117.60x = 53,217,176.40 × 31,651,742.40
  4. Step 4: Simplify right side
    35,478,117.60x = 1,684,416,358,668,159.25
  5. Step 5: Solve for x
    x = 1,684,416,358,668,159.25/35,478,117.60
  6. Step 6: Final answer
    x = 47,477,613.60

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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.