Home / 170,730,528.32-235,509,781.60-102,788,346.40

Finding the Fourth Proportional to 170,730,528.32, 235,509,781.60 and 102,788,346.40

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Solution

The fourth proportional to 170,730,528.32, 235,509,781.60 and 102,788,346.40 is: 141,788,707.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,730,528.32 : 235,509,781.60 = 102,788,346.40 : x
  2. Step 2: Convert to fraction form
    170,730,528.32/235,509,781.60 = 102,788,346.40/x
  3. Step 3: Cross multiply
    170,730,528.32x = 235,509,781.60 × 102,788,346.40
  4. Step 4: Simplify right side
    170,730,528.32x = 24,207,661,011,689,148
  5. Step 5: Solve for x
    x = 24,207,661,011,689,148/170,730,528.32
  6. Step 6: Final answer
    x = 141,788,707.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.