Home / 71,700,239,984.76-98,955,007,666.17-40,808,035,809.56

Finding the Fourth Proportional to 71,700,239,984.76, 98,955,007,666.17 and 40,808,035,809.56

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Solution

The fourth proportional to 71,700,239,984.76, 98,955,007,666.17 and 40,808,035,809.56 is: 56,320,027,621.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,700,239,984.76 : 98,955,007,666.17 = 40,808,035,809.56 : x
  2. Step 2: Convert to fraction form
    71,700,239,984.76/98,955,007,666.17 = 40,808,035,809.56/x
  3. Step 3: Cross multiply
    71,700,239,984.76x = 98,955,007,666.17 × 40,808,035,809.56
  4. Step 4: Simplify right side
    71,700,239,984.76x = 4,038,159,496,376,342,806,528
  5. Step 5: Solve for x
    x = 4,038,159,496,376,342,806,528/71,700,239,984.76
  6. Step 6: Final answer
    x = 56,320,027,621.03

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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.