Home / 93,168,085.92-128,581,525.80-56,010,395.76

Finding the Fourth Proportional to 93,168,085.92, 128,581,525.80 and 56,010,395.76

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Solution

The fourth proportional to 93,168,085.92, 128,581,525.80 and 56,010,395.76 is: 77,300,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,168,085.92 : 128,581,525.80 = 56,010,395.76 : x
  2. Step 2: Convert to fraction form
    93,168,085.92/128,581,525.80 = 56,010,395.76/x
  3. Step 3: Cross multiply
    93,168,085.92x = 128,581,525.80 × 56,010,395.76
  4. Step 4: Simplify right side
    93,168,085.92x = 7,201,902,147,482,650
  5. Step 5: Solve for x
    x = 7,201,902,147,482,650/93,168,085.92
  6. Step 6: Final answer
    x = 77,300,097.74

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1.5x scale

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.